Home / 404,648.34-558,414.78-223,360.35

Finding the Fourth Proportional to 404,648.34, 558,414.78 and 223,360.35

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Solution

The fourth proportional to 404,648.34, 558,414.78 and 223,360.35 is: 308,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,648.34 : 558,414.78 = 223,360.35 : x
  2. Step 2: Convert to fraction form
    404,648.34/558,414.78 = 223,360.35/x
  3. Step 3: Cross multiply
    404,648.34x = 558,414.78 × 223,360.35
  4. Step 4: Simplify right side
    404,648.34x = 124,727,720,705.97
  5. Step 5: Solve for x
    x = 124,727,720,705.97/404,648.34
  6. Step 6: Final answer
    x = 308,237.32

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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.