Home / 732,438.91-1,010,765.56-405,773.15

Finding the Fourth Proportional to 732,438.91, 1,010,765.56 and 405,773.15

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Solution

The fourth proportional to 732,438.91, 1,010,765.56 and 405,773.15 is: 559,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,438.91 : 1,010,765.56 = 405,773.15 : x
  2. Step 2: Convert to fraction form
    732,438.91/1,010,765.56 = 405,773.15/x
  3. Step 3: Cross multiply
    732,438.91x = 1,010,765.56 × 405,773.15
  4. Step 4: Simplify right side
    732,438.91x = 410,141,527,466.02
  5. Step 5: Solve for x
    x = 410,141,527,466.02/732,438.91
  6. Step 6: Final answer
    x = 559,966.87

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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.