Home / 738,963.56-1,019,781.12-432,966.80

Finding the Fourth Proportional to 738,963.56, 1,019,781.12 and 432,966.80

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Solution

The fourth proportional to 738,963.56, 1,019,781.12 and 432,966.80 is: 597,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,963.56 : 1,019,781.12 = 432,966.80 : x
  2. Step 2: Convert to fraction form
    738,963.56/1,019,781.12 = 432,966.80/x
  3. Step 3: Cross multiply
    738,963.56x = 1,019,781.12 × 432,966.80
  4. Step 4: Simplify right side
    738,963.56x = 441,531,368,226.82
  5. Step 5: Solve for x
    x = 441,531,368,226.82/738,963.56
  6. Step 6: Final answer
    x = 597,500.87

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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.