Home / 627,787.60-941,681.40-154,466.80

Finding the Fourth Proportional to 627,787.60, 941,681.40 and 154,466.80

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Solution

The fourth proportional to 627,787.60, 941,681.40 and 154,466.80 is: 231,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,787.60 : 941,681.40 = 154,466.80 : x
  2. Step 2: Convert to fraction form
    627,787.60/941,681.40 = 154,466.80/x
  3. Step 3: Cross multiply
    627,787.60x = 941,681.40 × 154,466.80
  4. Step 4: Simplify right side
    627,787.60x = 145,458,512,477.52
  5. Step 5: Solve for x
    x = 145,458,512,477.52/627,787.60
  6. Step 6: Final answer
    x = 231,700.20

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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.