Home / 527,016.33-727,281.72-285,298.86

Finding the Fourth Proportional to 527,016.33, 727,281.72 and 285,298.86

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Solution

The fourth proportional to 527,016.33, 727,281.72 and 285,298.86 is: 393,711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,016.33 : 727,281.72 = 285,298.86 : x
  2. Step 2: Convert to fraction form
    527,016.33/727,281.72 = 285,298.86/x
  3. Step 3: Cross multiply
    527,016.33x = 727,281.72 × 285,298.86
  4. Step 4: Simplify right side
    527,016.33x = 207,492,645,614.84
  5. Step 5: Solve for x
    x = 207,492,645,614.84/527,016.33
  6. Step 6: Final answer
    x = 393,711.99

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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.