Home / 422,618.40-583,273.19-261,525.35

Finding the Fourth Proportional to 422,618.40, 583,273.19 and 261,525.35

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Solution

The fourth proportional to 422,618.40, 583,273.19 and 261,525.35 is: 360,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,618.40 : 583,273.19 = 261,525.35 : x
  2. Step 2: Convert to fraction form
    422,618.40/583,273.19 = 261,525.35/x
  3. Step 3: Cross multiply
    422,618.40x = 583,273.19 × 261,525.35
  4. Step 4: Simplify right side
    422,618.40x = 152,540,727,272.36
  5. Step 5: Solve for x
    x = 152,540,727,272.36/422,618.40
  6. Step 6: Final answer
    x = 360,941.99

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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.