Home / 925,778.44-1,277,513.94-517,809.64

Finding the Fourth Proportional to 925,778.44, 1,277,513.94 and 517,809.64

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Solution

The fourth proportional to 925,778.44, 1,277,513.94 and 517,809.64 is: 714,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,778.44 : 1,277,513.94 = 517,809.64 : x
  2. Step 2: Convert to fraction form
    925,778.44/1,277,513.94 = 517,809.64/x
  3. Step 3: Cross multiply
    925,778.44x = 1,277,513.94 × 517,809.64
  4. Step 4: Simplify right side
    925,778.44x = 661,509,033,366.38
  5. Step 5: Solve for x
    x = 661,509,033,366.38/925,778.44
  6. Step 6: Final answer
    x = 714,543.57

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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.