Home / 1,358,793.90-2,038,190.85-412,211.70

Finding the Fourth Proportional to 1,358,793.90, 2,038,190.85 and 412,211.70

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Solution

The fourth proportional to 1,358,793.90, 2,038,190.85 and 412,211.70 is: 618,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,793.90 : 2,038,190.85 = 412,211.70 : x
  2. Step 2: Convert to fraction form
    1,358,793.90/2,038,190.85 = 412,211.70/x
  3. Step 3: Cross multiply
    1,358,793.90x = 2,038,190.85 × 412,211.70
  4. Step 4: Simplify right side
    1,358,793.90x = 840,166,115,202.95
  5. Step 5: Solve for x
    x = 840,166,115,202.95/1,358,793.90
  6. Step 6: Final answer
    x = 618,317.55

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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.