Home / 1,177,761.78-1,625,196.48-661,398.26

Finding the Fourth Proportional to 1,177,761.78, 1,625,196.48 and 661,398.26

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Solution

The fourth proportional to 1,177,761.78, 1,625,196.48 and 661,398.26 is: 912,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,761.78 : 1,625,196.48 = 661,398.26 : x
  2. Step 2: Convert to fraction form
    1,177,761.78/1,625,196.48 = 661,398.26/x
  3. Step 3: Cross multiply
    1,177,761.78x = 1,625,196.48 × 661,398.26
  4. Step 4: Simplify right side
    1,177,761.78x = 1,074,902,128,521.62
  5. Step 5: Solve for x
    x = 1,074,902,128,521.62/1,177,761.78
  6. Step 6: Final answer
    x = 912,665.15

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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.