Home / 404,475.77-558,175.91-223,187.55

Finding the Fourth Proportional to 404,475.77, 558,175.91 and 223,187.55

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Solution

The fourth proportional to 404,475.77, 558,175.91 and 223,187.55 is: 307,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,475.77 : 558,175.91 = 223,187.55 : x
  2. Step 2: Convert to fraction form
    404,475.77/558,175.91 = 223,187.55/x
  3. Step 3: Cross multiply
    404,475.77x = 558,175.91 × 223,187.55
  4. Step 4: Simplify right side
    404,475.77x = 124,577,912,705.98
  5. Step 5: Solve for x
    x = 124,577,912,705.98/404,475.77
  6. Step 6: Final answer
    x = 307,998.46

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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.