Home / 627,639.60-941,459.40-603,145.20

Finding the Fourth Proportional to 627,639.60, 941,459.40 and 603,145.20

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Solution

The fourth proportional to 627,639.60, 941,459.40 and 603,145.20 is: 904,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,639.60 : 941,459.40 = 603,145.20 : x
  2. Step 2: Convert to fraction form
    627,639.60/941,459.40 = 603,145.20/x
  3. Step 3: Cross multiply
    627,639.60x = 941,459.40 × 603,145.20
  4. Step 4: Simplify right side
    627,639.60x = 567,836,718,104.88
  5. Step 5: Solve for x
    x = 567,836,718,104.88/627,639.60
  6. Step 6: Final answer
    x = 904,717.80

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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.