Home / 754,483.97-1,131,726.26-185,876.13

Finding the Fourth Proportional to 754,483.97, 1,131,726.26 and 185,876.13

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Solution

The fourth proportional to 754,483.97, 1,131,726.26 and 185,876.13 is: 278,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,483.97 : 1,131,726.26 = 185,876.13 : x
  2. Step 2: Convert to fraction form
    754,483.97/1,131,726.26 = 185,876.13/x
  3. Step 3: Cross multiply
    754,483.97x = 1,131,726.26 × 185,876.13
  4. Step 4: Simplify right side
    754,483.97x = 210,360,897,428.17
  5. Step 5: Solve for x
    x = 210,360,897,428.17/754,483.97
  6. Step 6: Final answer
    x = 278,814.27

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Double scale
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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.