Home / 1,398,711.47-2,098,060.17-1,208,593.35

Finding the Fourth Proportional to 1,398,711.47, 2,098,060.17 and 1,208,593.35

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Solution

The fourth proportional to 1,398,711.47, 2,098,060.17 and 1,208,593.35 is: 1,812,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,711.47 : 2,098,060.17 = 1,208,593.35 : x
  2. Step 2: Convert to fraction form
    1,398,711.47/2,098,060.17 = 1,208,593.35/x
  3. Step 3: Cross multiply
    1,398,711.47x = 2,098,060.17 × 1,208,593.35
  4. Step 4: Simplify right side
    1,398,711.47x = 2,535,701,573,830.43
  5. Step 5: Solve for x
    x = 2,535,701,573,830.43/1,398,711.47
  6. Step 6: Final answer
    x = 1,812,883.95

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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.