Home / 527,925.60-729,138.75-357,864.48

Finding the Fourth Proportional to 527,925.60, 729,138.75 and 357,864.48

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Solution

The fourth proportional to 527,925.60, 729,138.75 and 357,864.48 is: 494,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,925.60 : 729,138.75 = 357,864.48 : x
  2. Step 2: Convert to fraction form
    527,925.60/729,138.75 = 357,864.48/x
  3. Step 3: Cross multiply
    527,925.60x = 729,138.75 × 357,864.48
  4. Step 4: Simplify right side
    527,925.60x = 260,932,854,181.58
  5. Step 5: Solve for x
    x = 260,932,854,181.58/527,925.60
  6. Step 6: Final answer
    x = 494,260.66

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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.