Home / 1,171,864.29-1,755,978.26-812,735.66

Finding the Fourth Proportional to 1,171,864.29, 1,755,978.26 and 812,735.66

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Solution

The fourth proportional to 1,171,864.29, 1,755,978.26 and 812,735.66 is: 1,217,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,864.29 : 1,755,978.26 = 812,735.66 : x
  2. Step 2: Convert to fraction form
    1,171,864.29/1,755,978.26 = 812,735.66/x
  3. Step 3: Cross multiply
    1,171,864.29x = 1,755,978.26 × 812,735.66
  4. Step 4: Simplify right side
    1,171,864.29x = 1,427,146,137,243.18
  5. Step 5: Solve for x
    x = 1,427,146,137,243.18/1,171,864.29
  6. Step 6: Final answer
    x = 1,217,842.50

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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.