Home / 682,398.24-1,023,728.56-261,641.30

Finding the Fourth Proportional to 682,398.24, 1,023,728.56 and 261,641.30

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Solution

The fourth proportional to 682,398.24, 1,023,728.56 and 261,641.30 is: 392,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,398.24 : 1,023,728.56 = 261,641.30 : x
  2. Step 2: Convert to fraction form
    682,398.24/1,023,728.56 = 261,641.30/x
  3. Step 3: Cross multiply
    682,398.24x = 1,023,728.56 × 261,641.30
  4. Step 4: Simplify right side
    682,398.24x = 267,849,671,285.53
  5. Step 5: Solve for x
    x = 267,849,671,285.53/682,398.24
  6. Step 6: Final answer
    x = 392,512.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.