Home / 667,043.76-1,000,580.40-240,613.68

Finding the Fourth Proportional to 667,043.76, 1,000,580.40 and 240,613.68

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Solution

The fourth proportional to 667,043.76, 1,000,580.40 and 240,613.68 is: 360,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,043.76 : 1,000,580.40 = 240,613.68 : x
  2. Step 2: Convert to fraction form
    667,043.76/1,000,580.40 = 240,613.68/x
  3. Step 3: Cross multiply
    667,043.76x = 1,000,580.40 × 240,613.68
  4. Step 4: Simplify right side
    667,043.76x = 240,753,332,179.87
  5. Step 5: Solve for x
    x = 240,753,332,179.87/667,043.76
  6. Step 6: Final answer
    x = 360,925.84

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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.