Home / 940,686.40-1,410,446.40-541,129.60

Finding the Fourth Proportional to 940,686.40, 1,410,446.40 and 541,129.60

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Solution

The fourth proportional to 940,686.40, 1,410,446.40 and 541,129.60 is: 811,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,686.40 : 1,410,446.40 = 541,129.60 : x
  2. Step 2: Convert to fraction form
    940,686.40/1,410,446.40 = 541,129.60/x
  3. Step 3: Cross multiply
    940,686.40x = 1,410,446.40 × 541,129.60
  4. Step 4: Simplify right side
    940,686.40x = 763,234,296,253.44
  5. Step 5: Solve for x
    x = 763,234,296,253.44/940,686.40
  6. Step 6: Final answer
    x = 811,358.91

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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.