Home / 719,474.43-992,815.11-409,294.52

Finding the Fourth Proportional to 719,474.43, 992,815.11 and 409,294.52

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Solution

The fourth proportional to 719,474.43, 992,815.11 and 409,294.52 is: 564,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,474.43 : 992,815.11 = 409,294.52 : x
  2. Step 2: Convert to fraction form
    719,474.43/992,815.11 = 409,294.52/x
  3. Step 3: Cross multiply
    719,474.43x = 992,815.11 × 409,294.52
  4. Step 4: Simplify right side
    719,474.43x = 406,353,782,655.18
  5. Step 5: Solve for x
    x = 406,353,782,655.18/719,474.43
  6. Step 6: Final answer
    x = 564,792.53

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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.