Home / 1,186,391.20-1,777,167.60-735,728.80

Finding the Fourth Proportional to 1,186,391.20, 1,777,167.60 and 735,728.80

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Solution

The fourth proportional to 1,186,391.20, 1,777,167.60 and 735,728.80 is: 1,102,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,391.20 : 1,777,167.60 = 735,728.80 : x
  2. Step 2: Convert to fraction form
    1,186,391.20/1,777,167.60 = 735,728.80/x
  3. Step 3: Cross multiply
    1,186,391.20x = 1,777,167.60 × 735,728.80
  4. Step 4: Simplify right side
    1,186,391.20x = 1,307,513,385,746.88
  5. Step 5: Solve for x
    x = 1,307,513,385,746.88/1,186,391.20
  6. Step 6: Final answer
    x = 1,102,092.96

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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.