Home / 986,751.78-1,361,721.46-534,042.66

Finding the Fourth Proportional to 986,751.78, 1,361,721.46 and 534,042.66

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Solution

The fourth proportional to 986,751.78, 1,361,721.46 and 534,042.66 is: 736,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,751.78 : 1,361,721.46 = 534,042.66 : x
  2. Step 2: Convert to fraction form
    986,751.78/1,361,721.46 = 534,042.66/x
  3. Step 3: Cross multiply
    986,751.78x = 1,361,721.46 × 534,042.66
  4. Step 4: Simplify right side
    986,751.78x = 727,217,350,677.48
  5. Step 5: Solve for x
    x = 727,217,350,677.48/986,751.78
  6. Step 6: Final answer
    x = 736,981.04

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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.