Home / 527,308.47-790,961.42-127,948.91

Finding the Fourth Proportional to 527,308.47, 790,961.42 and 127,948.91

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Solution

The fourth proportional to 527,308.47, 790,961.42 and 127,948.91 is: 191,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,308.47 : 790,961.42 = 127,948.91 : x
  2. Step 2: Convert to fraction form
    527,308.47/790,961.42 = 127,948.91/x
  3. Step 3: Cross multiply
    527,308.47x = 790,961.42 × 127,948.91
  4. Step 4: Simplify right side
    527,308.47x = 101,202,646,946.50
  5. Step 5: Solve for x
    x = 101,202,646,946.50/527,308.47
  6. Step 6: Final answer
    x = 191,923.04

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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.