Home / 627,923.80-941,885.70-253,754.20

Finding the Fourth Proportional to 627,923.80, 941,885.70 and 253,754.20

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Solution

The fourth proportional to 627,923.80, 941,885.70 and 253,754.20 is: 380,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,923.80 : 941,885.70 = 253,754.20 : x
  2. Step 2: Convert to fraction form
    627,923.80/941,885.70 = 253,754.20/x
  3. Step 3: Cross multiply
    627,923.80x = 941,885.70 × 253,754.20
  4. Step 4: Simplify right side
    627,923.80x = 239,007,452,294.94
  5. Step 5: Solve for x
    x = 239,007,452,294.94/627,923.80
  6. Step 6: Final answer
    x = 380,631.30

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Half scale
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Double scale
Find fourth proportional to 627,924.80, 941,887.20 and 253,755.20
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.