Home / 525,669.30-725,423.90-283,951.86

Finding the Fourth Proportional to 525,669.30, 725,423.90 and 283,951.86

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Solution

The fourth proportional to 525,669.30, 725,423.90 and 283,951.86 is: 391,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,669.30 : 725,423.90 = 283,951.86 : x
  2. Step 2: Convert to fraction form
    525,669.30/725,423.90 = 283,951.86/x
  3. Step 3: Cross multiply
    525,669.30x = 725,423.90 × 283,951.86
  4. Step 4: Simplify right side
    525,669.30x = 205,985,465,693.45
  5. Step 5: Solve for x
    x = 205,985,465,693.45/525,669.30
  6. Step 6: Final answer
    x = 391,853.71

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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.