Home / 422,680.25-583,358.42-261,587.18

Finding the Fourth Proportional to 422,680.25, 583,358.42 and 261,587.18

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Solution

The fourth proportional to 422,680.25, 583,358.42 and 261,587.18 is: 361,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,680.25 : 583,358.42 = 261,587.18 : x
  2. Step 2: Convert to fraction form
    422,680.25/583,358.42 = 261,587.18/x
  3. Step 3: Cross multiply
    422,680.25x = 583,358.42 × 261,587.18
  4. Step 4: Simplify right side
    422,680.25x = 152,599,084,017.06
  5. Step 5: Solve for x
    x = 152,599,084,017.06/422,680.25
  6. Step 6: Final answer
    x = 361,027.24

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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.