Home / 525,921.28-725,770.96-284,203.76

Finding the Fourth Proportional to 525,921.28, 725,770.96 and 284,203.76

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Solution

The fourth proportional to 525,921.28, 725,770.96 and 284,203.76 is: 392,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,921.28 : 725,770.96 = 284,203.76 : x
  2. Step 2: Convert to fraction form
    525,921.28/725,770.96 = 284,203.76/x
  3. Step 3: Cross multiply
    525,921.28x = 725,770.96 × 284,203.76
  4. Step 4: Simplify right side
    525,921.28x = 206,266,835,730.81
  5. Step 5: Solve for x
    x = 206,266,835,730.81/525,921.28
  6. Step 6: Final answer
    x = 392,200.97

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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.