Home / 404,922.02-558,789.11-223,646.38

Finding the Fourth Proportional to 404,922.02, 558,789.11 and 223,646.38

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Solution

The fourth proportional to 404,922.02, 558,789.11 and 223,646.38 is: 308,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,922.02 : 558,789.11 = 223,646.38 : x
  2. Step 2: Convert to fraction form
    404,922.02/558,789.11 = 223,646.38/x
  3. Step 3: Cross multiply
    404,922.02x = 558,789.11 × 223,646.38
  4. Step 4: Simplify right side
    404,922.02x = 124,971,158,840.98
  5. Step 5: Solve for x
    x = 124,971,158,840.98/404,922.02
  6. Step 6: Final answer
    x = 308,630.19

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1.5x scale

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.