Home / 627,998.10-941,705.55-272,829.30

Finding the Fourth Proportional to 627,998.10, 941,705.55 and 272,829.30

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Solution

The fourth proportional to 627,998.10, 941,705.55 and 272,829.30 is: 409,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,998.10 : 941,705.55 = 272,829.30 : x
  2. Step 2: Convert to fraction form
    627,998.10/941,705.55 = 272,829.30/x
  3. Step 3: Cross multiply
    627,998.10x = 941,705.55 × 272,829.30
  4. Step 4: Simplify right side
    627,998.10x = 256,924,866,012.62
  5. Step 5: Solve for x
    x = 256,924,866,012.62/627,998.10
  6. Step 6: Final answer
    x = 409,117.27

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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.