Home / 527,106.30-790,659.45-172,034.70

Finding the Fourth Proportional to 527,106.30, 790,659.45 and 172,034.70

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Solution

The fourth proportional to 527,106.30, 790,659.45 and 172,034.70 is: 258,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,106.30 : 790,659.45 = 172,034.70 : x
  2. Step 2: Convert to fraction form
    527,106.30/790,659.45 = 172,034.70/x
  3. Step 3: Cross multiply
    527,106.30x = 790,659.45 × 172,034.70
  4. Step 4: Simplify right side
    527,106.30x = 136,020,861,282.92
  5. Step 5: Solve for x
    x = 136,020,861,282.92/527,106.30
  6. Step 6: Final answer
    x = 258,052.05

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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.