Home / 1,872,191.70-2,808,287.55-610,146.90

Finding the Fourth Proportional to 1,872,191.70, 2,808,287.55 and 610,146.90

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Solution

The fourth proportional to 1,872,191.70, 2,808,287.55 and 610,146.90 is: 915,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,191.70 : 2,808,287.55 = 610,146.90 : x
  2. Step 2: Convert to fraction form
    1,872,191.70/2,808,287.55 = 610,146.90/x
  3. Step 3: Cross multiply
    1,872,191.70x = 2,808,287.55 × 610,146.90
  4. Step 4: Simplify right side
    1,872,191.70x = 1,713,467,942,941.10
  5. Step 5: Solve for x
    x = 1,713,467,942,941.10/1,872,191.70
  6. Step 6: Final answer
    x = 915,220.35

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Double scale
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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.