Home / 669,074.08-1,003,891.76-416,565.92

Finding the Fourth Proportional to 669,074.08, 1,003,891.76 and 416,565.92

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Solution

The fourth proportional to 669,074.08, 1,003,891.76 and 416,565.92 is: 625,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,074.08 : 1,003,891.76 = 416,565.92 : x
  2. Step 2: Convert to fraction form
    669,074.08/1,003,891.76 = 416,565.92/x
  3. Step 3: Cross multiply
    669,074.08x = 1,003,891.76 × 416,565.92
  4. Step 4: Simplify right side
    669,074.08x = 418,187,094,584.82
  5. Step 5: Solve for x
    x = 418,187,094,584.82/669,074.08
  6. Step 6: Final answer
    x = 625,023.61

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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.