Home / 1,292,591.36-1,939,772.64-451,143.11

Finding the Fourth Proportional to 1,292,591.36, 1,939,772.64 and 451,143.11

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Solution

The fourth proportional to 1,292,591.36, 1,939,772.64 and 451,143.11 is: 677,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,591.36 : 1,939,772.64 = 451,143.11 : x
  2. Step 2: Convert to fraction form
    1,292,591.36/1,939,772.64 = 451,143.11/x
  3. Step 3: Cross multiply
    1,292,591.36x = 1,939,772.64 × 451,143.11
  4. Step 4: Simplify right side
    1,292,591.36x = 875,115,061,502.51
  5. Step 5: Solve for x
    x = 875,115,061,502.51/1,292,591.36
  6. Step 6: Final answer
    x = 677,023.76

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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.