Home / 785,838.20-1,177,007.70-680,862.20

Finding the Fourth Proportional to 785,838.20, 1,177,007.70 and 680,862.20

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Solution

The fourth proportional to 785,838.20, 1,177,007.70 and 680,862.20 is: 1,019,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,838.20 : 1,177,007.70 = 680,862.20 : x
  2. Step 2: Convert to fraction form
    785,838.20/1,177,007.70 = 680,862.20/x
  3. Step 3: Cross multiply
    785,838.20x = 1,177,007.70 × 680,862.20
  4. Step 4: Simplify right side
    785,838.20x = 801,380,052,038.94
  5. Step 5: Solve for x
    x = 801,380,052,038.94/785,838.20
  6. Step 6: Final answer
    x = 1,019,777.42

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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.