Home / 1,040,441.60-1,560,273.60-409,224.80

Finding the Fourth Proportional to 1,040,441.60, 1,560,273.60 and 409,224.80

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Solution

The fourth proportional to 1,040,441.60, 1,560,273.60 and 409,224.80 is: 613,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,441.60 : 1,560,273.60 = 409,224.80 : x
  2. Step 2: Convert to fraction form
    1,040,441.60/1,560,273.60 = 409,224.80/x
  3. Step 3: Cross multiply
    1,040,441.60x = 1,560,273.60 × 409,224.80
  4. Step 4: Simplify right side
    1,040,441.60x = 638,502,651,905.28
  5. Step 5: Solve for x
    x = 638,502,651,905.28/1,040,441.60
  6. Step 6: Final answer
    x = 613,684.28

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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.