Home / 627,403.20-941,104.80-585,931.20

Finding the Fourth Proportional to 627,403.20, 941,104.80 and 585,931.20

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Solution

The fourth proportional to 627,403.20, 941,104.80 and 585,931.20 is: 878,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,403.20 : 941,104.80 = 585,931.20 : x
  2. Step 2: Convert to fraction form
    627,403.20/941,104.80 = 585,931.20/x
  3. Step 3: Cross multiply
    627,403.20x = 941,104.80 × 585,931.20
  4. Step 4: Simplify right side
    627,403.20x = 551,422,664,789.76
  5. Step 5: Solve for x
    x = 551,422,664,789.76/627,403.20
  6. Step 6: Final answer
    x = 878,896.80

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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.