Home / 404,387.16-558,050.67-223,100.66

Finding the Fourth Proportional to 404,387.16, 558,050.67 and 223,100.66

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Solution

The fourth proportional to 404,387.16, 558,050.67 and 223,100.66 is: 307,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,387.16 : 558,050.67 = 223,100.66 : x
  2. Step 2: Convert to fraction form
    404,387.16/558,050.67 = 223,100.66/x
  3. Step 3: Cross multiply
    404,387.16x = 558,050.67 × 223,100.66
  4. Step 4: Simplify right side
    404,387.16x = 124,501,470,000.19
  5. Step 5: Solve for x
    x = 124,501,470,000.19/404,387.16
  6. Step 6: Final answer
    x = 307,876.91

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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.