Home / 422,616.51-583,225.38-231,628.23

Finding the Fourth Proportional to 422,616.51, 583,225.38 and 231,628.23

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Solution

The fourth proportional to 422,616.51, 583,225.38 and 231,628.23 is: 319,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,616.51 : 583,225.38 = 231,628.23 : x
  2. Step 2: Convert to fraction form
    422,616.51/583,225.38 = 231,628.23/x
  3. Step 3: Cross multiply
    422,616.51x = 583,225.38 × 231,628.23
  4. Step 4: Simplify right side
    422,616.51x = 135,091,462,460.48
  5. Step 5: Solve for x
    x = 135,091,462,460.48/422,616.51
  6. Step 6: Final answer
    x = 319,654.96

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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.