Home / 527,926.16-729,139.52-357,865.04

Finding the Fourth Proportional to 527,926.16, 729,139.52 and 357,865.04

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Solution

The fourth proportional to 527,926.16, 729,139.52 and 357,865.04 is: 494,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,926.16 : 729,139.52 = 357,865.04 : x
  2. Step 2: Convert to fraction form
    527,926.16/729,139.52 = 357,865.04/x
  3. Step 3: Cross multiply
    527,926.16x = 729,139.52 × 357,865.04
  4. Step 4: Simplify right side
    527,926.16x = 260,933,543,925.14
  5. Step 5: Solve for x
    x = 260,933,543,925.14/527,926.16
  6. Step 6: Final answer
    x = 494,261.44

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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.