Home / 1,151,960.88-1,728,712.60-478,042.84

Finding the Fourth Proportional to 1,151,960.88, 1,728,712.60 and 478,042.84

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Solution

The fourth proportional to 1,151,960.88, 1,728,712.60 and 478,042.84 is: 717,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,960.88 : 1,728,712.60 = 478,042.84 : x
  2. Step 2: Convert to fraction form
    1,151,960.88/1,728,712.60 = 478,042.84/x
  3. Step 3: Cross multiply
    1,151,960.88x = 1,728,712.60 × 478,042.84
  4. Step 4: Simplify right side
    1,151,960.88x = 826,398,680,847.78
  5. Step 5: Solve for x
    x = 826,398,680,847.78/1,151,960.88
  6. Step 6: Final answer
    x = 717,384.33

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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.