Home / 527,829.62-791,733.30-128,472.62

Finding the Fourth Proportional to 527,829.62, 791,733.30 and 128,472.62

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Solution

The fourth proportional to 527,829.62, 791,733.30 and 128,472.62 is: 192,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,829.62 : 791,733.30 = 128,472.62 : x
  2. Step 2: Convert to fraction form
    527,829.62/791,733.30 = 128,472.62/x
  3. Step 3: Cross multiply
    527,829.62x = 791,733.30 × 128,472.62
  4. Step 4: Simplify right side
    527,829.62x = 101,716,051,392.25
  5. Step 5: Solve for x
    x = 101,716,051,392.25/527,829.62
  6. Step 6: Final answer
    x = 192,706.22

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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.