Home / 627,824.28-866,523.18-373,126.20

Finding the Fourth Proportional to 627,824.28, 866,523.18 and 373,126.20

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Solution

The fourth proportional to 627,824.28, 866,523.18 and 373,126.20 is: 514,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,824.28 : 866,523.18 = 373,126.20 : x
  2. Step 2: Convert to fraction form
    627,824.28/866,523.18 = 373,126.20/x
  3. Step 3: Cross multiply
    627,824.28x = 866,523.18 × 373,126.20
  4. Step 4: Simplify right side
    627,824.28x = 323,322,501,365.32
  5. Step 5: Solve for x
    x = 323,322,501,365.32/627,824.28
  6. Step 6: Final answer
    x = 514,988.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.