Home / 969,839.46-1,338,419.98-540,119.59

Finding the Fourth Proportional to 969,839.46, 1,338,419.98 and 540,119.59

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Solution

The fourth proportional to 969,839.46, 1,338,419.98 and 540,119.59 is: 745,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,839.46 : 1,338,419.98 = 540,119.59 : x
  2. Step 2: Convert to fraction form
    969,839.46/1,338,419.98 = 540,119.59/x
  3. Step 3: Cross multiply
    969,839.46x = 1,338,419.98 × 540,119.59
  4. Step 4: Simplify right side
    969,839.46x = 722,906,854,184.03
  5. Step 5: Solve for x
    x = 722,906,854,184.03/969,839.46
  6. Step 6: Final answer
    x = 745,388.16

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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.