Home / 1,253,188.16-1,729,401-680,228.24

Finding the Fourth Proportional to 1,253,188.16, 1,729,401 and 680,228.24

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Solution

The fourth proportional to 1,253,188.16, 1,729,401 and 680,228.24 is: 938,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,188.16 : 1,729,401 = 680,228.24 : x
  2. Step 2: Convert to fraction form
    1,253,188.16/1,729,401 = 680,228.24/x
  3. Step 3: Cross multiply
    1,253,188.16x = 1,729,401 × 680,228.24
  4. Step 4: Simplify right side
    1,253,188.16x = 1,176,387,398,484.24
  5. Step 5: Solve for x
    x = 1,176,387,398,484.24/1,253,188.16
  6. Step 6: Final answer
    x = 938,715.70

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.