Home / 989,996.50-1,366,195.17-537,287.50

Finding the Fourth Proportional to 989,996.50, 1,366,195.17 and 537,287.50

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Solution

The fourth proportional to 989,996.50, 1,366,195.17 and 537,287.50 is: 741,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,996.50 : 1,366,195.17 = 537,287.50 : x
  2. Step 2: Convert to fraction form
    989,996.50/1,366,195.17 = 537,287.50/x
  3. Step 3: Cross multiply
    989,996.50x = 1,366,195.17 × 537,287.50
  4. Step 4: Simplify right side
    989,996.50x = 734,039,587,401.38
  5. Step 5: Solve for x
    x = 734,039,587,401.38/989,996.50
  6. Step 6: Final answer
    x = 741,456.75

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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.