Home / 527,212.41-790,818.36-127,853.12

Finding the Fourth Proportional to 527,212.41, 790,818.36 and 127,853.12

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Solution

The fourth proportional to 527,212.41, 790,818.36 and 127,853.12 is: 191,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,212.41 : 790,818.36 = 127,853.12 : x
  2. Step 2: Convert to fraction form
    527,212.41/790,818.36 = 127,853.12/x
  3. Step 3: Cross multiply
    527,212.41x = 790,818.36 × 127,853.12
  4. Step 4: Simplify right side
    527,212.41x = 101,108,594,679.28
  5. Step 5: Solve for x
    x = 101,108,594,679.28/527,212.41
  6. Step 6: Final answer
    x = 191,779.62

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Similar ratio
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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.