Home / 748,181.60-1,122,272.40-374,069.60

Finding the Fourth Proportional to 748,181.60, 1,122,272.40 and 374,069.60

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Solution

The fourth proportional to 748,181.60, 1,122,272.40 and 374,069.60 is: 561,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,181.60 : 1,122,272.40 = 374,069.60 : x
  2. Step 2: Convert to fraction form
    748,181.60/1,122,272.40 = 374,069.60/x
  3. Step 3: Cross multiply
    748,181.60x = 1,122,272.40 × 374,069.60
  4. Step 4: Simplify right side
    748,181.60x = 419,807,987,759.04
  5. Step 5: Solve for x
    x = 419,807,987,759.04/748,181.60
  6. Step 6: Final answer
    x = 561,104.40

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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.