Home / 404,749.54-558,543.25-223,458.18

Finding the Fourth Proportional to 404,749.54, 558,543.25 and 223,458.18

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Solution

The fourth proportional to 404,749.54, 558,543.25 and 223,458.18 is: 308,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,749.54 : 558,543.25 = 223,458.18 : x
  2. Step 2: Convert to fraction form
    404,749.54/558,543.25 = 223,458.18/x
  3. Step 3: Cross multiply
    404,749.54x = 558,543.25 × 223,458.18
  4. Step 4: Simplify right side
    404,749.54x = 124,811,054,919.47
  5. Step 5: Solve for x
    x = 124,811,054,919.47/404,749.54
  6. Step 6: Final answer
    x = 308,366.14

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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.