Home / 1,153,117.60-1,729,676.40-1,098,005.20

Finding the Fourth Proportional to 1,153,117.60, 1,729,676.40 and 1,098,005.20

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Solution

The fourth proportional to 1,153,117.60, 1,729,676.40 and 1,098,005.20 is: 1,647,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,117.60 : 1,729,676.40 = 1,098,005.20 : x
  2. Step 2: Convert to fraction form
    1,153,117.60/1,729,676.40 = 1,098,005.20/x
  3. Step 3: Cross multiply
    1,153,117.60x = 1,729,676.40 × 1,098,005.20
  4. Step 4: Simplify right side
    1,153,117.60x = 1,899,193,681,517.28
  5. Step 5: Solve for x
    x = 1,899,193,681,517.28/1,153,117.60
  6. Step 6: Final answer
    x = 1,647,007.80

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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.