Home / 738,393.40-1,107,590.10-667,534.60

Finding the Fourth Proportional to 738,393.40, 1,107,590.10 and 667,534.60

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Solution

The fourth proportional to 738,393.40, 1,107,590.10 and 667,534.60 is: 1,001,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,393.40 : 1,107,590.10 = 667,534.60 : x
  2. Step 2: Convert to fraction form
    738,393.40/1,107,590.10 = 667,534.60/x
  3. Step 3: Cross multiply
    738,393.40x = 1,107,590.10 × 667,534.60
  4. Step 4: Simplify right side
    738,393.40x = 739,354,714,367.46
  5. Step 5: Solve for x
    x = 739,354,714,367.46/738,393.40
  6. Step 6: Final answer
    x = 1,001,301.90

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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.