Home / 1,808,010.30-2,712,015.45-460,170.30

Finding the Fourth Proportional to 1,808,010.30, 2,712,015.45 and 460,170.30

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Solution

The fourth proportional to 1,808,010.30, 2,712,015.45 and 460,170.30 is: 690,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,010.30 : 2,712,015.45 = 460,170.30 : x
  2. Step 2: Convert to fraction form
    1,808,010.30/2,712,015.45 = 460,170.30/x
  3. Step 3: Cross multiply
    1,808,010.30x = 2,712,015.45 × 460,170.30
  4. Step 4: Simplify right side
    1,808,010.30x = 1,247,988,963,231.14
  5. Step 5: Solve for x
    x = 1,247,988,963,231.14/1,808,010.30
  6. Step 6: Final answer
    x = 690,255.45

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Half scale
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Double scale
Find fourth proportional to 1,808,011.30, 2,712,016.95 and 460,171.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.