Home / 741,563.40-1,112,345.10-404,473.80

Finding the Fourth Proportional to 741,563.40, 1,112,345.10 and 404,473.80

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Solution

The fourth proportional to 741,563.40, 1,112,345.10 and 404,473.80 is: 606,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,563.40 : 1,112,345.10 = 404,473.80 : x
  2. Step 2: Convert to fraction form
    741,563.40/1,112,345.10 = 404,473.80/x
  3. Step 3: Cross multiply
    741,563.40x = 1,112,345.10 × 404,473.80
  4. Step 4: Simplify right side
    741,563.40x = 449,914,449,508.38
  5. Step 5: Solve for x
    x = 449,914,449,508.38/741,563.40
  6. Step 6: Final answer
    x = 606,710.70

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Double scale
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Similar ratio
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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.