Home / 1,158,819.40-1,738,229.10-654,934.60

Finding the Fourth Proportional to 1,158,819.40, 1,738,229.10 and 654,934.60

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Solution

The fourth proportional to 1,158,819.40, 1,738,229.10 and 654,934.60 is: 982,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,819.40 : 1,738,229.10 = 654,934.60 : x
  2. Step 2: Convert to fraction form
    1,158,819.40/1,738,229.10 = 654,934.60/x
  3. Step 3: Cross multiply
    1,158,819.40x = 1,738,229.10 × 654,934.60
  4. Step 4: Simplify right side
    1,158,819.40x = 1,138,426,380,316.86
  5. Step 5: Solve for x
    x = 1,138,426,380,316.86/1,158,819.40
  6. Step 6: Final answer
    x = 982,401.90

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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.