Home / 1,554,020.86-2,144,614.93-865,691.88

Finding the Fourth Proportional to 1,554,020.86, 2,144,614.93 and 865,691.88

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Solution

The fourth proportional to 1,554,020.86, 2,144,614.93 and 865,691.88 is: 1,194,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,020.86 : 2,144,614.93 = 865,691.88 : x
  2. Step 2: Convert to fraction form
    1,554,020.86/2,144,614.93 = 865,691.88/x
  3. Step 3: Cross multiply
    1,554,020.86x = 2,144,614.93 × 865,691.88
  4. Step 4: Simplify right side
    1,554,020.86x = 1,856,575,730,627.77
  5. Step 5: Solve for x
    x = 1,856,575,730,627.77/1,554,020.86
  6. Step 6: Final answer
    x = 1,194,691.64

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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.