Home / 925,905.71-1,277,799.53-517,983.23

Finding the Fourth Proportional to 925,905.71, 1,277,799.53 and 517,983.23

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Solution

The fourth proportional to 925,905.71, 1,277,799.53 and 517,983.23 is: 714,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,905.71 : 1,277,799.53 = 517,983.23 : x
  2. Step 2: Convert to fraction form
    925,905.71/1,277,799.53 = 517,983.23/x
  3. Step 3: Cross multiply
    925,905.71x = 1,277,799.53 × 517,983.23
  4. Step 4: Simplify right side
    925,905.71x = 661,878,728,446.47
  5. Step 5: Solve for x
    x = 661,878,728,446.47/925,905.71
  6. Step 6: Final answer
    x = 714,844.63

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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.