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Finding the Fourth Proportional to 1,234,704, 1,704,109.92 and 725,406.24

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Solution

The fourth proportional to 1,234,704, 1,704,109.92 and 725,406.24 is: 1,001,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,704 : 1,704,109.92 = 725,406.24 : x
  2. Step 2: Convert to fraction form
    1,234,704/1,704,109.92 = 725,406.24/x
  3. Step 3: Cross multiply
    1,234,704x = 1,704,109.92 × 725,406.24
  4. Step 4: Simplify right side
    1,234,704x = 1,236,171,969,613.90
  5. Step 5: Solve for x
    x = 1,236,171,969,613.90/1,234,704
  6. Step 6: Final answer
    x = 1,001,188.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.