Home / 422,766.08-583,417.05-231,775.37

Finding the Fourth Proportional to 422,766.08, 583,417.05 and 231,775.37

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Solution

The fourth proportional to 422,766.08, 583,417.05 and 231,775.37 is: 319,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,766.08 : 583,417.05 = 231,775.37 : x
  2. Step 2: Convert to fraction form
    422,766.08/583,417.05 = 231,775.37/x
  3. Step 3: Cross multiply
    422,766.08x = 583,417.05 × 231,775.37
  4. Step 4: Simplify right side
    422,766.08x = 135,221,702,628.06
  5. Step 5: Solve for x
    x = 135,221,702,628.06/422,766.08
  6. Step 6: Final answer
    x = 319,849.93

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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.