Home / 422,548.63-583,117.10-231,566.42

Finding the Fourth Proportional to 422,548.63, 583,117.10 and 231,566.42

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Solution

The fourth proportional to 422,548.63, 583,117.10 and 231,566.42 is: 319,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,548.63 : 583,117.10 = 231,566.42 : x
  2. Step 2: Convert to fraction form
    422,548.63/583,117.10 = 231,566.42/x
  3. Step 3: Cross multiply
    422,548.63x = 583,117.10 × 231,566.42
  4. Step 4: Simplify right side
    422,548.63x = 135,030,339,287.78
  5. Step 5: Solve for x
    x = 135,030,339,287.78/422,548.63
  6. Step 6: Final answer
    x = 319,561.65

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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.