Home / 925,628.86-1,277,486.13-517,753.36

Finding the Fourth Proportional to 925,628.86, 1,277,486.13 and 517,753.36

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Solution

The fourth proportional to 925,628.86, 1,277,486.13 and 517,753.36 is: 714,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,628.86 : 1,277,486.13 = 517,753.36 : x
  2. Step 2: Convert to fraction form
    925,628.86/1,277,486.13 = 517,753.36/x
  3. Step 3: Cross multiply
    925,628.86x = 1,277,486.13 × 517,753.36
  4. Step 4: Simplify right side
    925,628.86x = 661,422,736,160.90
  5. Step 5: Solve for x
    x = 661,422,736,160.90/925,628.86
  6. Step 6: Final answer
    x = 714,565.81

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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.