Home / 696,499.20-961,374.24-454,819.56

Finding the Fourth Proportional to 696,499.20, 961,374.24 and 454,819.56

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Solution

The fourth proportional to 696,499.20, 961,374.24 and 454,819.56 is: 627,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,499.20 : 961,374.24 = 454,819.56 : x
  2. Step 2: Convert to fraction form
    696,499.20/961,374.24 = 454,819.56/x
  3. Step 3: Cross multiply
    696,499.20x = 961,374.24 × 454,819.56
  4. Step 4: Simplify right side
    696,499.20x = 437,251,808,832.13
  5. Step 5: Solve for x
    x = 437,251,808,832.13/696,499.20
  6. Step 6: Final answer
    x = 627,785.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.