Home / 1,119,798.60-1,679,697.90-839,862.60

Finding the Fourth Proportional to 1,119,798.60, 1,679,697.90 and 839,862.60

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Solution

The fourth proportional to 1,119,798.60, 1,679,697.90 and 839,862.60 is: 1,259,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,798.60 : 1,679,697.90 = 839,862.60 : x
  2. Step 2: Convert to fraction form
    1,119,798.60/1,679,697.90 = 839,862.60/x
  3. Step 3: Cross multiply
    1,119,798.60x = 1,679,697.90 × 839,862.60
  4. Step 4: Simplify right side
    1,119,798.60x = 1,410,715,445,508.54
  5. Step 5: Solve for x
    x = 1,410,715,445,508.54/1,119,798.60
  6. Step 6: Final answer
    x = 1,259,793.90

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Similar ratio
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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.