Home / 631,112.10-946,376.55-275,943.30

Finding the Fourth Proportional to 631,112.10, 946,376.55 and 275,943.30

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Solution

The fourth proportional to 631,112.10, 946,376.55 and 275,943.30 is: 413,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,112.10 : 946,376.55 = 275,943.30 : x
  2. Step 2: Convert to fraction form
    631,112.10/946,376.55 = 275,943.30/x
  3. Step 3: Cross multiply
    631,112.10x = 946,376.55 × 275,943.30
  4. Step 4: Simplify right side
    631,112.10x = 261,146,268,249.62
  5. Step 5: Solve for x
    x = 261,146,268,249.62/631,112.10
  6. Step 6: Final answer
    x = 413,787.45

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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.