Home / 404,586.39-558,330.37-220,826.66

Finding the Fourth Proportional to 404,586.39, 558,330.37 and 220,826.66

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Solution

The fourth proportional to 404,586.39, 558,330.37 and 220,826.66 is: 304,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,586.39 : 558,330.37 = 220,826.66 : x
  2. Step 2: Convert to fraction form
    404,586.39/558,330.37 = 220,826.66/x
  3. Step 3: Cross multiply
    404,586.39x = 558,330.37 × 220,826.66
  4. Step 4: Simplify right side
    404,586.39x = 123,294,227,439.95
  5. Step 5: Solve for x
    x = 123,294,227,439.95/404,586.39
  6. Step 6: Final answer
    x = 304,741.41

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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.