Home / 783,601.70-1,177,908.15-728,132.90

Finding the Fourth Proportional to 783,601.70, 1,177,908.15 and 728,132.90

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Solution

The fourth proportional to 783,601.70, 1,177,908.15 and 728,132.90 is: 1,094,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,601.70 : 1,177,908.15 = 728,132.90 : x
  2. Step 2: Convert to fraction form
    783,601.70/1,177,908.15 = 728,132.90/x
  3. Step 3: Cross multiply
    783,601.70x = 1,177,908.15 × 728,132.90
  4. Step 4: Simplify right side
    783,601.70x = 857,673,677,193.14
  5. Step 5: Solve for x
    x = 857,673,677,193.14/783,601.70
  6. Step 6: Final answer
    x = 1,094,527.59

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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.