Home / 812,254.68-1,120,868.84-444,661.35

Finding the Fourth Proportional to 812,254.68, 1,120,868.84 and 444,661.35

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Solution

The fourth proportional to 812,254.68, 1,120,868.84 and 444,661.35 is: 613,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,254.68 : 1,120,868.84 = 444,661.35 : x
  2. Step 2: Convert to fraction form
    812,254.68/1,120,868.84 = 444,661.35/x
  3. Step 3: Cross multiply
    812,254.68x = 1,120,868.84 × 444,661.35
  4. Step 4: Simplify right side
    812,254.68x = 498,407,048,765.16
  5. Step 5: Solve for x
    x = 498,407,048,765.16/812,254.68
  6. Step 6: Final answer
    x = 613,609.33

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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.