Home / 1,554,106.80-2,144,635.08-865,777.71

Finding the Fourth Proportional to 1,554,106.80, 2,144,635.08 and 865,777.71

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Solution

The fourth proportional to 1,554,106.80, 2,144,635.08 and 865,777.71 is: 1,194,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,106.80 : 2,144,635.08 = 865,777.71 : x
  2. Step 2: Convert to fraction form
    1,554,106.80/2,144,635.08 = 865,777.71/x
  3. Step 3: Cross multiply
    1,554,106.80x = 2,144,635.08 × 865,777.71
  4. Step 4: Simplify right side
    1,554,106.80x = 1,856,777,253,143.78
  5. Step 5: Solve for x
    x = 1,856,777,253,143.78/1,554,106.80
  6. Step 6: Final answer
    x = 1,194,755.24

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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.