Home / 925,390.25-1,277,029.78-517,487.41

Finding the Fourth Proportional to 925,390.25, 1,277,029.78 and 517,487.41

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Solution

The fourth proportional to 925,390.25, 1,277,029.78 and 517,487.41 is: 714,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,390.25 : 1,277,029.78 = 517,487.41 : x
  2. Step 2: Convert to fraction form
    925,390.25/1,277,029.78 = 517,487.41/x
  3. Step 3: Cross multiply
    925,390.25x = 1,277,029.78 × 517,487.41
  4. Step 4: Simplify right side
    925,390.25x = 660,846,826,959.92
  5. Step 5: Solve for x
    x = 660,846,826,959.92/925,390.25
  6. Step 6: Final answer
    x = 714,127.72

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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.