Home / 1,101,984.40-1,520,761.04-618,584.52

Finding the Fourth Proportional to 1,101,984.40, 1,520,761.04 and 618,584.52

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Solution

The fourth proportional to 1,101,984.40, 1,520,761.04 and 618,584.52 is: 853,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,984.40 : 1,520,761.04 = 618,584.52 : x
  2. Step 2: Convert to fraction form
    1,101,984.40/1,520,761.04 = 618,584.52/x
  3. Step 3: Cross multiply
    1,101,984.40x = 1,520,761.04 × 618,584.52
  4. Step 4: Simplify right side
    1,101,984.40x = 940,719,237,963.10
  5. Step 5: Solve for x
    x = 940,719,237,963.10/1,101,984.40
  6. Step 6: Final answer
    x = 853,659.31

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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.