Home / 714,663.96-986,192.04-392,372.24

Finding the Fourth Proportional to 714,663.96, 986,192.04 and 392,372.24

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Solution

The fourth proportional to 714,663.96, 986,192.04 and 392,372.24 is: 541,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,663.96 : 986,192.04 = 392,372.24 : x
  2. Step 2: Convert to fraction form
    714,663.96/986,192.04 = 392,372.24/x
  3. Step 3: Cross multiply
    714,663.96x = 986,192.04 × 392,372.24
  4. Step 4: Simplify right side
    714,663.96x = 386,954,379,804.97
  5. Step 5: Solve for x
    x = 386,954,379,804.97/714,663.96
  6. Step 6: Final answer
    x = 541,449.41

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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.