Home / 714,663.94-986,192.04-392,372.22

Finding the Fourth Proportional to 714,663.94, 986,192.04 and 392,372.22

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Solution

The fourth proportional to 714,663.94, 986,192.04 and 392,372.22 is: 541,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,663.94 : 986,192.04 = 392,372.22 : x
  2. Step 2: Convert to fraction form
    714,663.94/986,192.04 = 392,372.22/x
  3. Step 3: Cross multiply
    714,663.94x = 986,192.04 × 392,372.22
  4. Step 4: Simplify right side
    714,663.94x = 386,954,360,081.13
  5. Step 5: Solve for x
    x = 386,954,360,081.13/714,663.94
  6. Step 6: Final answer
    x = 541,449.40

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1.5x scale

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.