Home / 422,799.36-583,463.12-231,814.08

Finding the Fourth Proportional to 422,799.36, 583,463.12 and 231,814.08

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Solution

The fourth proportional to 422,799.36, 583,463.12 and 231,814.08 is: 319,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,799.36 : 583,463.12 = 231,814.08 : x
  2. Step 2: Convert to fraction form
    422,799.36/583,463.12 = 231,814.08/x
  3. Step 3: Cross multiply
    422,799.36x = 583,463.12 × 231,814.08
  4. Step 4: Simplify right side
    422,799.36x = 135,254,966,376.73
  5. Step 5: Solve for x
    x = 135,254,966,376.73/422,799.36
  6. Step 6: Final answer
    x = 319,903.43

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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.