Home / 1,108,905.60-1,663,358.40-605,020.80

Finding the Fourth Proportional to 1,108,905.60, 1,663,358.40 and 605,020.80

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Solution

The fourth proportional to 1,108,905.60, 1,663,358.40 and 605,020.80 is: 907,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,905.60 : 1,663,358.40 = 605,020.80 : x
  2. Step 2: Convert to fraction form
    1,108,905.60/1,663,358.40 = 605,020.80/x
  3. Step 3: Cross multiply
    1,108,905.60x = 1,663,358.40 × 605,020.80
  4. Step 4: Simplify right side
    1,108,905.60x = 1,006,366,429,854.72
  5. Step 5: Solve for x
    x = 1,006,366,429,854.72/1,108,905.60
  6. Step 6: Final answer
    x = 907,531.20

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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.