Home / 404,983.31-558,829.06-223,684.43

Finding the Fourth Proportional to 404,983.31, 558,829.06 and 223,684.43

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Solution

The fourth proportional to 404,983.31, 558,829.06 and 223,684.43 is: 308,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,983.31 : 558,829.06 = 223,684.43 : x
  2. Step 2: Convert to fraction form
    404,983.31/558,829.06 = 223,684.43/x
  3. Step 3: Cross multiply
    404,983.31x = 558,829.06 × 223,684.43
  4. Step 4: Simplify right side
    404,983.31x = 125,001,356,400.18
  5. Step 5: Solve for x
    x = 125,001,356,400.18/404,983.31
  6. Step 6: Final answer
    x = 308,658.05

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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.