Home / 714,946.59-986,633.06-392,663.25

Finding the Fourth Proportional to 714,946.59, 986,633.06 and 392,663.25

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Solution

The fourth proportional to 714,946.59, 986,633.06 and 392,663.25 is: 541,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,946.59 : 986,633.06 = 392,663.25 : x
  2. Step 2: Convert to fraction form
    714,946.59/986,633.06 = 392,663.25/x
  3. Step 3: Cross multiply
    714,946.59x = 986,633.06 × 392,663.25
  4. Step 4: Simplify right side
    714,946.59x = 387,414,541,933.73
  5. Step 5: Solve for x
    x = 387,414,541,933.73/714,946.59
  6. Step 6: Final answer
    x = 541,879.00

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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.