Home / 627,981.89-941,719.28-243,528.32

Finding the Fourth Proportional to 627,981.89, 941,719.28 and 243,528.32

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Solution

The fourth proportional to 627,981.89, 941,719.28 and 243,528.32 is: 365,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,981.89 : 941,719.28 = 243,528.32 : x
  2. Step 2: Convert to fraction form
    627,981.89/941,719.28 = 243,528.32/x
  3. Step 3: Cross multiply
    627,981.89x = 941,719.28 × 243,528.32
  4. Step 4: Simplify right side
    627,981.89x = 229,335,315,306.67
  5. Step 5: Solve for x
    x = 229,335,315,306.67/627,981.89
  6. Step 6: Final answer
    x = 365,194.16

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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.