Home / 1,040,166.20-1,560,422.10-409,100.60

Finding the Fourth Proportional to 1,040,166.20, 1,560,422.10 and 409,100.60

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Solution

The fourth proportional to 1,040,166.20, 1,560,422.10 and 409,100.60 is: 613,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,166.20 : 1,560,422.10 = 409,100.60 : x
  2. Step 2: Convert to fraction form
    1,040,166.20/1,560,422.10 = 409,100.60/x
  3. Step 3: Cross multiply
    1,040,166.20x = 1,560,422.10 × 409,100.60
  4. Step 4: Simplify right side
    1,040,166.20x = 638,369,617,363.26
  5. Step 5: Solve for x
    x = 638,369,617,363.26/1,040,166.20
  6. Step 6: Final answer
    x = 613,718.86

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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.