Home / 714,474.06-985,920.03-392,132.94

Finding the Fourth Proportional to 714,474.06, 985,920.03 and 392,132.94

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Solution

The fourth proportional to 714,474.06, 985,920.03 and 392,132.94 is: 541,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,474.06 : 985,920.03 = 392,132.94 : x
  2. Step 2: Convert to fraction form
    714,474.06/985,920.03 = 392,132.94/x
  3. Step 3: Cross multiply
    714,474.06x = 985,920.03 × 392,132.94
  4. Step 4: Simplify right side
    714,474.06x = 386,611,719,968.79
  5. Step 5: Solve for x
    x = 386,611,719,968.79/714,474.06
  6. Step 6: Final answer
    x = 541,113.72

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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.