Home / 714,512.79-986,023.76-392,228.37

Finding the Fourth Proportional to 714,512.79, 986,023.76 and 392,228.37

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Solution

The fourth proportional to 714,512.79, 986,023.76 and 392,228.37 is: 541,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,512.79 : 986,023.76 = 392,228.37 : x
  2. Step 2: Convert to fraction form
    714,512.79/986,023.76 = 392,228.37/x
  3. Step 3: Cross multiply
    714,512.79x = 986,023.76 × 392,228.37
  4. Step 4: Simplify right side
    714,512.79x = 386,746,490,204.93
  5. Step 5: Solve for x
    x = 386,746,490,204.93/714,512.79
  6. Step 6: Final answer
    x = 541,273.01

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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.