Home / 1,154,542.70-1,728,861.60-853,392.80

Finding the Fourth Proportional to 1,154,542.70, 1,728,861.60 and 853,392.80

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Solution

The fourth proportional to 1,154,542.70, 1,728,861.60 and 853,392.80 is: 1,277,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,542.70 : 1,728,861.60 = 853,392.80 : x
  2. Step 2: Convert to fraction form
    1,154,542.70/1,728,861.60 = 853,392.80/x
  3. Step 3: Cross multiply
    1,154,542.70x = 1,728,861.60 × 853,392.80
  4. Step 4: Simplify right side
    1,154,542.70x = 1,475,398,041,636.48
  5. Step 5: Solve for x
    x = 1,475,398,041,636.48/1,154,542.70
  6. Step 6: Final answer
    x = 1,277,906.86

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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.