Home / 806,803.44-1,113,379.56-444,219.72

Finding the Fourth Proportional to 806,803.44, 1,113,379.56 and 444,219.72

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Solution

The fourth proportional to 806,803.44, 1,113,379.56 and 444,219.72 is: 613,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,803.44 : 1,113,379.56 = 444,219.72 : x
  2. Step 2: Convert to fraction form
    806,803.44/1,113,379.56 = 444,219.72/x
  3. Step 3: Cross multiply
    806,803.44x = 1,113,379.56 × 444,219.72
  4. Step 4: Simplify right side
    806,803.44x = 494,585,156,396.92
  5. Step 5: Solve for x
    x = 494,585,156,396.92/806,803.44
  6. Step 6: Final answer
    x = 613,018.16

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.