Home / 627,974.10-941,669.55-272,805.30

Finding the Fourth Proportional to 627,974.10, 941,669.55 and 272,805.30

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Solution

The fourth proportional to 627,974.10, 941,669.55 and 272,805.30 is: 409,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,974.10 : 941,669.55 = 272,805.30 : x
  2. Step 2: Convert to fraction form
    627,974.10/941,669.55 = 272,805.30/x
  3. Step 3: Cross multiply
    627,974.10x = 941,669.55 × 272,805.30
  4. Step 4: Simplify right side
    627,974.10x = 256,892,444,088.62
  5. Step 5: Solve for x
    x = 256,892,444,088.62/627,974.10
  6. Step 6: Final answer
    x = 409,081.27

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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.