Home / 719,456.59-992,852.24-392,770.11

Finding the Fourth Proportional to 719,456.59, 992,852.24 and 392,770.11

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Solution

The fourth proportional to 719,456.59, 992,852.24 and 392,770.11 is: 542,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,456.59 : 992,852.24 = 392,770.11 : x
  2. Step 2: Convert to fraction form
    719,456.59/992,852.24 = 392,770.11/x
  3. Step 3: Cross multiply
    719,456.59x = 992,852.24 × 392,770.11
  4. Step 4: Simplify right side
    719,456.59x = 389,962,688,591.89
  5. Step 5: Solve for x
    x = 389,962,688,591.89/719,456.59
  6. Step 6: Final answer
    x = 542,023.93

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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.