Home / 1,334,001.68-1,840,920.19-722,154.28

Finding the Fourth Proportional to 1,334,001.68, 1,840,920.19 and 722,154.28

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Solution

The fourth proportional to 1,334,001.68, 1,840,920.19 and 722,154.28 is: 996,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,001.68 : 1,840,920.19 = 722,154.28 : x
  2. Step 2: Convert to fraction form
    1,334,001.68/1,840,920.19 = 722,154.28/x
  3. Step 3: Cross multiply
    1,334,001.68x = 1,840,920.19 × 722,154.28
  4. Step 4: Simplify right side
    1,334,001.68x = 1,329,428,381,531.54
  5. Step 5: Solve for x
    x = 1,329,428,381,531.54/1,334,001.68
  6. Step 6: Final answer
    x = 996,571.74

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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.