Home / 404,913.16-558,784.38-223,629.69

Finding the Fourth Proportional to 404,913.16, 558,784.38 and 223,629.69

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Solution

The fourth proportional to 404,913.16, 558,784.38 and 223,629.69 is: 308,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,913.16 : 558,784.38 = 223,629.69 : x
  2. Step 2: Convert to fraction form
    404,913.16/558,784.38 = 223,629.69/x
  3. Step 3: Cross multiply
    404,913.16x = 558,784.38 × 223,629.69
  4. Step 4: Simplify right side
    404,913.16x = 124,960,777,676.24
  5. Step 5: Solve for x
    x = 124,960,777,676.24/404,913.16
  6. Step 6: Final answer
    x = 308,611.30

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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.