Home / 672,033.15-1,008,049.73-620,711.55

Finding the Fourth Proportional to 672,033.15, 1,008,049.73 and 620,711.55

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Solution

The fourth proportional to 672,033.15, 1,008,049.73 and 620,711.55 is: 931,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,033.15 : 1,008,049.73 = 620,711.55 : x
  2. Step 2: Convert to fraction form
    672,033.15/1,008,049.73 = 620,711.55/x
  3. Step 3: Cross multiply
    672,033.15x = 1,008,049.73 × 620,711.55
  4. Step 4: Simplify right side
    672,033.15x = 625,708,110,385.38
  5. Step 5: Solve for x
    x = 625,708,110,385.38/672,033.15
  6. Step 6: Final answer
    x = 931,067.33

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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.