Home / 1,163,845.71-1,605,866.22-680,317.29

Finding the Fourth Proportional to 1,163,845.71, 1,605,866.22 and 680,317.29

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Solution

The fourth proportional to 1,163,845.71, 1,605,866.22 and 680,317.29 is: 938,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,845.71 : 1,605,866.22 = 680,317.29 : x
  2. Step 2: Convert to fraction form
    1,163,845.71/1,605,866.22 = 680,317.29/x
  3. Step 3: Cross multiply
    1,163,845.71x = 1,605,866.22 × 680,317.29
  4. Step 4: Simplify right side
    1,163,845.71x = 1,092,498,554,892.94
  5. Step 5: Solve for x
    x = 1,092,498,554,892.94/1,163,845.71
  6. Step 6: Final answer
    x = 938,697.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.