Home / 527,320.72-790,975.14-127,965.88

Finding the Fourth Proportional to 527,320.72, 790,975.14 and 127,965.88

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Solution

The fourth proportional to 527,320.72, 790,975.14 and 127,965.88 is: 191,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,320.72 : 790,975.14 = 127,965.88 : x
  2. Step 2: Convert to fraction form
    527,320.72/790,975.14 = 127,965.88/x
  3. Step 3: Cross multiply
    527,320.72x = 790,975.14 × 127,965.88
  4. Step 4: Simplify right side
    527,320.72x = 101,217,829,848.22
  5. Step 5: Solve for x
    x = 101,217,829,848.22/527,320.72
  6. Step 6: Final answer
    x = 191,947.38

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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.