Home / 941,858.70-1,413,116.10-409,761.60

Finding the Fourth Proportional to 941,858.70, 1,413,116.10 and 409,761.60

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Solution

The fourth proportional to 941,858.70, 1,413,116.10 and 409,761.60 is: 614,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,858.70 : 1,413,116.10 = 409,761.60 : x
  2. Step 2: Convert to fraction form
    941,858.70/1,413,116.10 = 409,761.60/x
  3. Step 3: Cross multiply
    941,858.70x = 1,413,116.10 × 409,761.60
  4. Step 4: Simplify right side
    941,858.70x = 579,040,714,121.76
  5. Step 5: Solve for x
    x = 579,040,714,121.76/941,858.70
  6. Step 6: Final answer
    x = 614,785.12

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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.