Home / 1,365,902.60-2,048,853.90-419,150.30

Finding the Fourth Proportional to 1,365,902.60, 2,048,853.90 and 419,150.30

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Solution

The fourth proportional to 1,365,902.60, 2,048,853.90 and 419,150.30 is: 628,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,902.60 : 2,048,853.90 = 419,150.30 : x
  2. Step 2: Convert to fraction form
    1,365,902.60/2,048,853.90 = 419,150.30/x
  3. Step 3: Cross multiply
    1,365,902.60x = 2,048,853.90 × 419,150.30
  4. Step 4: Simplify right side
    1,365,902.60x = 858,777,726,841.17
  5. Step 5: Solve for x
    x = 858,777,726,841.17/1,365,902.60
  6. Step 6: Final answer
    x = 628,725.45

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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.