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Finding the Fourth Proportional to 1,104,987.40, 1,657,481.10 and 1,057,748.20

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Solution

The fourth proportional to 1,104,987.40, 1,657,481.10 and 1,057,748.20 is: 1,586,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,987.40 : 1,657,481.10 = 1,057,748.20 : x
  2. Step 2: Convert to fraction form
    1,104,987.40/1,657,481.10 = 1,057,748.20/x
  3. Step 3: Cross multiply
    1,104,987.40x = 1,657,481.10 × 1,057,748.20
  4. Step 4: Simplify right side
    1,104,987.40x = 1,753,197,650,059.02
  5. Step 5: Solve for x
    x = 1,753,197,650,059.02/1,104,987.40
  6. Step 6: Final answer
    x = 1,586,622.30

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Similar ratio
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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.