Home / 925,901.80-1,277,794.12-517,979.31

Finding the Fourth Proportional to 925,901.80, 1,277,794.12 and 517,979.31

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Solution

The fourth proportional to 925,901.80, 1,277,794.12 and 517,979.31 is: 714,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,901.80 : 1,277,794.12 = 517,979.31 : x
  2. Step 2: Convert to fraction form
    925,901.80/1,277,794.12 = 517,979.31/x
  3. Step 3: Cross multiply
    925,901.80x = 1,277,794.12 × 517,979.31
  4. Step 4: Simplify right side
    925,901.80x = 661,870,922,524.47
  5. Step 5: Solve for x
    x = 661,870,922,524.47/925,901.80
  6. Step 6: Final answer
    x = 714,839.22

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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.