Home / 3,100,810.60-4,651,215.90-826,330.60

Finding the Fourth Proportional to 3,100,810.60, 4,651,215.90 and 826,330.60

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Solution

The fourth proportional to 3,100,810.60, 4,651,215.90 and 826,330.60 is: 1,239,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,810.60 : 4,651,215.90 = 826,330.60 : x
  2. Step 2: Convert to fraction form
    3,100,810.60/4,651,215.90 = 826,330.60/x
  3. Step 3: Cross multiply
    3,100,810.60x = 4,651,215.90 × 826,330.60
  4. Step 4: Simplify right side
    3,100,810.60x = 3,843,442,025,376.54
  5. Step 5: Solve for x
    x = 3,843,442,025,376.54/3,100,810.60
  6. Step 6: Final answer
    x = 1,239,495.90

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Double scale
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Similar ratio
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1.5x scale

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.