Home / 404,350.20-558,001.68-223,073.40

Finding the Fourth Proportional to 404,350.20, 558,001.68 and 223,073.40

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Solution

The fourth proportional to 404,350.20, 558,001.68 and 223,073.40 is: 307,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,350.20 : 558,001.68 = 223,073.40 : x
  2. Step 2: Convert to fraction form
    404,350.20/558,001.68 = 223,073.40/x
  3. Step 3: Cross multiply
    404,350.20x = 558,001.68 × 223,073.40
  4. Step 4: Simplify right side
    404,350.20x = 124,475,331,963.31
  5. Step 5: Solve for x
    x = 124,475,331,963.31/404,350.20
  6. Step 6: Final answer
    x = 307,840.41

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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.