Home / 627,964.80-941,877.20-172,590.96

Finding the Fourth Proportional to 627,964.80, 941,877.20 and 172,590.96

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Solution

The fourth proportional to 627,964.80, 941,877.20 and 172,590.96 is: 258,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,964.80 : 941,877.20 = 172,590.96 : x
  2. Step 2: Convert to fraction form
    627,964.80/941,877.20 = 172,590.96/x
  3. Step 3: Cross multiply
    627,964.80x = 941,877.20 × 172,590.96
  4. Step 4: Simplify right side
    627,964.80x = 162,559,490,150.11
  5. Step 5: Solve for x
    x = 162,559,490,150.11/627,964.80
  6. Step 6: Final answer
    x = 258,867.20

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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.