Home / 404,943.10-558,825.68-223,659.63

Finding the Fourth Proportional to 404,943.10, 558,825.68 and 223,659.63

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Solution

The fourth proportional to 404,943.10, 558,825.68 and 223,659.63 is: 308,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,943.10 : 558,825.68 = 223,659.63 : x
  2. Step 2: Convert to fraction form
    404,943.10/558,825.68 = 223,659.63/x
  3. Step 3: Cross multiply
    404,943.10x = 558,825.68 × 223,659.63
  4. Step 4: Simplify right side
    404,943.10x = 124,986,745,382.45
  5. Step 5: Solve for x
    x = 124,986,745,382.45/404,943.10
  6. Step 6: Final answer
    x = 308,652.61

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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.