Home / 741,650.40-1,112,475.60-404,560.80

Finding the Fourth Proportional to 741,650.40, 1,112,475.60 and 404,560.80

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Solution

The fourth proportional to 741,650.40, 1,112,475.60 and 404,560.80 is: 606,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,650.40 : 1,112,475.60 = 404,560.80 : x
  2. Step 2: Convert to fraction form
    741,650.40/1,112,475.60 = 404,560.80/x
  3. Step 3: Cross multiply
    741,650.40x = 1,112,475.60 × 404,560.80
  4. Step 4: Simplify right side
    741,650.40x = 450,064,018,716.48
  5. Step 5: Solve for x
    x = 450,064,018,716.48/741,650.40
  6. Step 6: Final answer
    x = 606,841.20

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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.