Home / 527,482.31-727,925.90-285,766.57

Finding the Fourth Proportional to 527,482.31, 727,925.90 and 285,766.57

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Solution

The fourth proportional to 527,482.31, 727,925.90 and 285,766.57 is: 394,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,482.31 : 727,925.90 = 285,766.57 : x
  2. Step 2: Convert to fraction form
    527,482.31/727,925.90 = 285,766.57/x
  3. Step 3: Cross multiply
    527,482.31x = 727,925.90 × 285,766.57
  4. Step 4: Simplify right side
    527,482.31x = 208,016,884,408.52
  5. Step 5: Solve for x
    x = 208,016,884,408.52/527,482.31
  6. Step 6: Final answer
    x = 394,358.03

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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.