Home / 822,737.70-1,234,106.55-656,849.70

Finding the Fourth Proportional to 822,737.70, 1,234,106.55 and 656,849.70

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Solution

The fourth proportional to 822,737.70, 1,234,106.55 and 656,849.70 is: 985,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,737.70 : 1,234,106.55 = 656,849.70 : x
  2. Step 2: Convert to fraction form
    822,737.70/1,234,106.55 = 656,849.70/x
  3. Step 3: Cross multiply
    822,737.70x = 1,234,106.55 × 656,849.70
  4. Step 4: Simplify right side
    822,737.70x = 810,622,517,135.54
  5. Step 5: Solve for x
    x = 810,622,517,135.54/822,737.70
  6. Step 6: Final answer
    x = 985,274.55

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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.