Home / 527,484.86-791,227.31-128,122.94

Finding the Fourth Proportional to 527,484.86, 791,227.31 and 128,122.94

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Solution

The fourth proportional to 527,484.86, 791,227.31 and 128,122.94 is: 192,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,484.86 : 791,227.31 = 128,122.94 : x
  2. Step 2: Convert to fraction form
    527,484.86/791,227.31 = 128,122.94/x
  3. Step 3: Cross multiply
    527,484.86x = 791,227.31 × 128,122.94
  4. Step 4: Simplify right side
    527,484.86x = 101,374,368,277.62
  5. Step 5: Solve for x
    x = 101,374,368,277.62/527,484.86
  6. Step 6: Final answer
    x = 192,184.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.