Home / 404,749.43-558,543.10-223,458.07

Finding the Fourth Proportional to 404,749.43, 558,543.10 and 223,458.07

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Solution

The fourth proportional to 404,749.43, 558,543.10 and 223,458.07 is: 308,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,749.43 : 558,543.10 = 223,458.07 : x
  2. Step 2: Convert to fraction form
    404,749.43/558,543.10 = 223,458.07/x
  3. Step 3: Cross multiply
    404,749.43x = 558,543.10 × 223,458.07
  4. Step 4: Simplify right side
    404,749.43x = 124,810,963,277.54
  5. Step 5: Solve for x
    x = 124,810,963,277.54/404,749.43
  6. Step 6: Final answer
    x = 308,366.00

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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.