Home / 624,772.20-937,158.30-309,844.20

Finding the Fourth Proportional to 624,772.20, 937,158.30 and 309,844.20

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Solution

The fourth proportional to 624,772.20, 937,158.30 and 309,844.20 is: 464,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,772.20 : 937,158.30 = 309,844.20 : x
  2. Step 2: Convert to fraction form
    624,772.20/937,158.30 = 309,844.20/x
  3. Step 3: Cross multiply
    624,772.20x = 937,158.30 × 309,844.20
  4. Step 4: Simplify right side
    624,772.20x = 290,373,063,736.86
  5. Step 5: Solve for x
    x = 290,373,063,736.86/624,772.20
  6. Step 6: Final answer
    x = 464,766.30

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Half scale
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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.