Home / 1,333,726.47-1,840,542.38-721,879.13

Finding the Fourth Proportional to 1,333,726.47, 1,840,542.38 and 721,879.13

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Solution

The fourth proportional to 1,333,726.47, 1,840,542.38 and 721,879.13 is: 996,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,726.47 : 1,840,542.38 = 721,879.13 : x
  2. Step 2: Convert to fraction form
    1,333,726.47/1,840,542.38 = 721,879.13/x
  3. Step 3: Cross multiply
    1,333,726.47x = 1,840,542.38 × 721,879.13
  4. Step 4: Simplify right side
    1,333,726.47x = 1,328,649,132,002.53
  5. Step 5: Solve for x
    x = 1,328,649,132,002.53/1,333,726.47
  6. Step 6: Final answer
    x = 996,193.12

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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.