Home / 1,086,351.48-1,629,544.14-412,254.72

Finding the Fourth Proportional to 1,086,351.48, 1,629,544.14 and 412,254.72

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Solution

The fourth proportional to 1,086,351.48, 1,629,544.14 and 412,254.72 is: 618,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,351.48 : 1,629,544.14 = 412,254.72 : x
  2. Step 2: Convert to fraction form
    1,086,351.48/1,629,544.14 = 412,254.72/x
  3. Step 3: Cross multiply
    1,086,351.48x = 1,629,544.14 × 412,254.72
  4. Step 4: Simplify right side
    1,086,351.48x = 671,787,263,163.34
  5. Step 5: Solve for x
    x = 671,787,263,163.34/1,086,351.48
  6. Step 6: Final answer
    x = 618,388.50

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Double scale
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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.