Home / 715,819.68-1,073,499.84-316,451.52

Finding the Fourth Proportional to 715,819.68, 1,073,499.84 and 316,451.52

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Solution

The fourth proportional to 715,819.68, 1,073,499.84 and 316,451.52 is: 474,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,819.68 : 1,073,499.84 = 316,451.52 : x
  2. Step 2: Convert to fraction form
    715,819.68/1,073,499.84 = 316,451.52/x
  3. Step 3: Cross multiply
    715,819.68x = 1,073,499.84 × 316,451.52
  4. Step 4: Simplify right side
    715,819.68x = 339,710,656,087.76
  5. Step 5: Solve for x
    x = 339,710,656,087.76/715,819.68
  6. Step 6: Final answer
    x = 474,575.74

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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.