Home / 527,451.20-791,151.36-172,418.24

Finding the Fourth Proportional to 527,451.20, 791,151.36 and 172,418.24

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Solution

The fourth proportional to 527,451.20, 791,151.36 and 172,418.24 is: 258,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,451.20 : 791,151.36 = 172,418.24 : x
  2. Step 2: Convert to fraction form
    527,451.20/791,151.36 = 172,418.24/x
  3. Step 3: Cross multiply
    527,451.20x = 791,151.36 × 172,418.24
  4. Step 4: Simplify right side
    527,451.20x = 136,408,925,064.81
  5. Step 5: Solve for x
    x = 136,408,925,064.81/527,451.20
  6. Step 6: Final answer
    x = 258,619.04

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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.