Home / 3,117,149.60-4,675,724.40-1,122,346.40

Finding the Fourth Proportional to 3,117,149.60, 4,675,724.40 and 1,122,346.40

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Solution

The fourth proportional to 3,117,149.60, 4,675,724.40 and 1,122,346.40 is: 1,683,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,149.60 : 4,675,724.40 = 1,122,346.40 : x
  2. Step 2: Convert to fraction form
    3,117,149.60/4,675,724.40 = 1,122,346.40/x
  3. Step 3: Cross multiply
    3,117,149.60x = 4,675,724.40 × 1,122,346.40
  4. Step 4: Simplify right side
    3,117,149.60x = 5,247,782,447,732.16
  5. Step 5: Solve for x
    x = 5,247,782,447,732.16/3,117,149.60
  6. Step 6: Final answer
    x = 1,683,519.60

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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.