Home / 627,045.12-940,368.96-206,223.12

Finding the Fourth Proportional to 627,045.12, 940,368.96 and 206,223.12

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Solution

The fourth proportional to 627,045.12, 940,368.96 and 206,223.12 is: 309,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,045.12 : 940,368.96 = 206,223.12 : x
  2. Step 2: Convert to fraction form
    627,045.12/940,368.96 = 206,223.12/x
  3. Step 3: Cross multiply
    627,045.12x = 940,368.96 × 206,223.12
  4. Step 4: Simplify right side
    627,045.12x = 193,925,820,882.36
  5. Step 5: Solve for x
    x = 193,925,820,882.36/627,045.12
  6. Step 6: Final answer
    x = 309,269.32

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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.