Home / 404,935.28-558,800.00-223,643.31

Finding the Fourth Proportional to 404,935.28, 558,800.00 and 223,643.31

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Solution

The fourth proportional to 404,935.28, 558,800.00 and 223,643.31 is: 308,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,935.28 : 558,800.00 = 223,643.31 : x
  2. Step 2: Convert to fraction form
    404,935.28/558,800.00 = 223,643.31/x
  3. Step 3: Cross multiply
    404,935.28x = 558,800.00 × 223,643.31
  4. Step 4: Simplify right side
    404,935.28x = 124,971,879,252.95
  5. Step 5: Solve for x
    x = 124,971,879,252.95/404,935.28
  6. Step 6: Final answer
    x = 308,621.86

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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.