Home / 1,187,541.06-1,638,981.76-751,998.17

Finding the Fourth Proportional to 1,187,541.06, 1,638,981.76 and 751,998.17

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Solution

The fourth proportional to 1,187,541.06, 1,638,981.76 and 751,998.17 is: 1,037,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,541.06 : 1,638,981.76 = 751,998.17 : x
  2. Step 2: Convert to fraction form
    1,187,541.06/1,638,981.76 = 751,998.17/x
  3. Step 3: Cross multiply
    1,187,541.06x = 1,638,981.76 × 751,998.17
  4. Step 4: Simplify right side
    1,187,541.06x = 1,232,511,288,112.10
  5. Step 5: Solve for x
    x = 1,232,511,288,112.10/1,187,541.06
  6. Step 6: Final answer
    x = 1,037,868.36

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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.