Home / 404,446.46-558,139.16-223,165.11

Finding the Fourth Proportional to 404,446.46, 558,139.16 and 223,165.11

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Solution

The fourth proportional to 404,446.46, 558,139.16 and 223,165.11 is: 307,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,446.46 : 558,139.16 = 223,165.11 : x
  2. Step 2: Convert to fraction form
    404,446.46/558,139.16 = 223,165.11/x
  3. Step 3: Cross multiply
    404,446.46x = 558,139.16 × 223,165.11
  4. Step 4: Simplify right side
    404,446.46x = 124,557,185,920.88
  5. Step 5: Solve for x
    x = 124,557,185,920.88/404,446.46
  6. Step 6: Final answer
    x = 307,969.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.