Home / 1,078,166.20-1,617,249.30-1,025,678.20

Finding the Fourth Proportional to 1,078,166.20, 1,617,249.30 and 1,025,678.20

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Solution

The fourth proportional to 1,078,166.20, 1,617,249.30 and 1,025,678.20 is: 1,538,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,166.20 : 1,617,249.30 = 1,025,678.20 : x
  2. Step 2: Convert to fraction form
    1,078,166.20/1,617,249.30 = 1,025,678.20/x
  3. Step 3: Cross multiply
    1,078,166.20x = 1,617,249.30 × 1,025,678.20
  4. Step 4: Simplify right side
    1,078,166.20x = 1,658,777,350,975.26
  5. Step 5: Solve for x
    x = 1,658,777,350,975.26/1,078,166.20
  6. Step 6: Final answer
    x = 1,538,517.30

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Double scale
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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.