Home / 627,712.60-941,568.90-416,666.20

Finding the Fourth Proportional to 627,712.60, 941,568.90 and 416,666.20

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Solution

The fourth proportional to 627,712.60, 941,568.90 and 416,666.20 is: 624,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,712.60 : 941,568.90 = 416,666.20 : x
  2. Step 2: Convert to fraction form
    627,712.60/941,568.90 = 416,666.20/x
  3. Step 3: Cross multiply
    627,712.60x = 941,568.90 × 416,666.20
  4. Step 4: Simplify right side
    627,712.60x = 392,319,935,601.18
  5. Step 5: Solve for x
    x = 392,319,935,601.18/627,712.60
  6. Step 6: Final answer
    x = 624,999.30

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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.