Home / 1,115,304.36-1,539,129.38-606,006.72

Finding the Fourth Proportional to 1,115,304.36, 1,539,129.38 and 606,006.72

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Solution

The fourth proportional to 1,115,304.36, 1,539,129.38 and 606,006.72 is: 836,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,304.36 : 1,539,129.38 = 606,006.72 : x
  2. Step 2: Convert to fraction form
    1,115,304.36/1,539,129.38 = 606,006.72/x
  3. Step 3: Cross multiply
    1,115,304.36x = 1,539,129.38 × 606,006.72
  4. Step 4: Simplify right side
    1,115,304.36x = 932,722,747,229.43
  5. Step 5: Solve for x
    x = 932,722,747,229.43/1,115,304.36
  6. Step 6: Final answer
    x = 836,294.36

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Double scale
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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.