Home / 404,633.20-558,051-243,458.13

Finding the Fourth Proportional to 404,633.20, 558,051 and 243,458.13

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Solution

The fourth proportional to 404,633.20, 558,051 and 243,458.13 is: 335,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,633.20 : 558,051 = 243,458.13 : x
  2. Step 2: Convert to fraction form
    404,633.20/558,051 = 243,458.13/x
  3. Step 3: Cross multiply
    404,633.20x = 558,051 × 243,458.13
  4. Step 4: Simplify right side
    404,633.20x = 135,862,052,904.63
  5. Step 5: Solve for x
    x = 135,862,052,904.63/404,633.20
  6. Step 6: Final answer
    x = 335,765.96

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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.