Home / 525,723.16-725,512.92-293,155.48

Finding the Fourth Proportional to 525,723.16, 725,512.92 and 293,155.48

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Solution

The fourth proportional to 525,723.16, 725,512.92 and 293,155.48 is: 404,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,723.16 : 725,512.92 = 293,155.48 : x
  2. Step 2: Convert to fraction form
    525,723.16/725,512.92 = 293,155.48/x
  3. Step 3: Cross multiply
    525,723.16x = 725,512.92 × 293,155.48
  4. Step 4: Simplify right side
    525,723.16x = 212,688,088,308.80
  5. Step 5: Solve for x
    x = 212,688,088,308.80/525,723.16
  6. Step 6: Final answer
    x = 404,562.90

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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.