Home / 404,904.60-558,772.55-223,621.13

Finding the Fourth Proportional to 404,904.60, 558,772.55 and 223,621.13

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Solution

The fourth proportional to 404,904.60, 558,772.55 and 223,621.13 is: 308,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,904.60 : 558,772.55 = 223,621.13 : x
  2. Step 2: Convert to fraction form
    404,904.60/558,772.55 = 223,621.13/x
  3. Step 3: Cross multiply
    404,904.60x = 558,772.55 × 223,621.13
  4. Step 4: Simplify right side
    404,904.60x = 124,953,349,043.98
  5. Step 5: Solve for x
    x = 124,953,349,043.98/404,904.60
  6. Step 6: Final answer
    x = 308,599.48

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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.