Home / 714,825.63-986,454.24-392,529.24

Finding the Fourth Proportional to 714,825.63, 986,454.24 and 392,529.24

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Solution

The fourth proportional to 714,825.63, 986,454.24 and 392,529.24 is: 541,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,825.63 : 986,454.24 = 392,529.24 : x
  2. Step 2: Convert to fraction form
    714,825.63/986,454.24 = 392,529.24/x
  3. Step 3: Cross multiply
    714,825.63x = 986,454.24 × 392,529.24
  4. Step 4: Simplify right side
    714,825.63x = 387,212,133,121.98
  5. Step 5: Solve for x
    x = 387,212,133,121.98/714,825.63
  6. Step 6: Final answer
    x = 541,687.53

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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.