Home / 404,569.49-558,305.39-223,281.50

Finding the Fourth Proportional to 404,569.49, 558,305.39 and 223,281.50

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Solution

The fourth proportional to 404,569.49, 558,305.39 and 223,281.50 is: 308,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,569.49 : 558,305.39 = 223,281.50 : x
  2. Step 2: Convert to fraction form
    404,569.49/558,305.39 = 223,281.50/x
  3. Step 3: Cross multiply
    404,569.49x = 558,305.39 × 223,281.50
  4. Step 4: Simplify right side
    404,569.49x = 124,659,262,703.96
  5. Step 5: Solve for x
    x = 124,659,262,703.96/404,569.49
  6. Step 6: Final answer
    x = 308,128.19

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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.