Home / 672,046.15-1,008,069.23-649,236.55

Finding the Fourth Proportional to 672,046.15, 1,008,069.23 and 649,236.55

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Solution

The fourth proportional to 672,046.15, 1,008,069.23 and 649,236.55 is: 973,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,046.15 : 1,008,069.23 = 649,236.55 : x
  2. Step 2: Convert to fraction form
    672,046.15/1,008,069.23 = 649,236.55/x
  3. Step 3: Cross multiply
    672,046.15x = 1,008,069.23 × 649,236.55
  4. Step 4: Simplify right side
    672,046.15x = 654,475,389,046.36
  5. Step 5: Solve for x
    x = 654,475,389,046.36/672,046.15
  6. Step 6: Final answer
    x = 973,854.83

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Double scale
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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.