Home / 1,104,012.80-1,656,019.20-356,134.40

Finding the Fourth Proportional to 1,104,012.80, 1,656,019.20 and 356,134.40

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Solution

The fourth proportional to 1,104,012.80, 1,656,019.20 and 356,134.40 is: 534,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,012.80 : 1,656,019.20 = 356,134.40 : x
  2. Step 2: Convert to fraction form
    1,104,012.80/1,656,019.20 = 356,134.40/x
  3. Step 3: Cross multiply
    1,104,012.80x = 1,656,019.20 × 356,134.40
  4. Step 4: Simplify right side
    1,104,012.80x = 589,765,404,180.48
  5. Step 5: Solve for x
    x = 589,765,404,180.48/1,104,012.80
  6. Step 6: Final answer
    x = 534,201.60

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Half scale
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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.