Home / 785,778.20-1,177,656.33-684,160.46

Finding the Fourth Proportional to 785,778.20, 1,177,656.33 and 684,160.46

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Solution

The fourth proportional to 785,778.20, 1,177,656.33 and 684,160.46 is: 1,025,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,778.20 : 1,177,656.33 = 684,160.46 : x
  2. Step 2: Convert to fraction form
    785,778.20/1,177,656.33 = 684,160.46/x
  3. Step 3: Cross multiply
    785,778.20x = 1,177,656.33 × 684,160.46
  4. Step 4: Simplify right side
    785,778.20x = 805,705,896,454.71
  5. Step 5: Solve for x
    x = 805,705,896,454.71/785,778.20
  6. Step 6: Final answer
    x = 1,025,360.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.