Home / 1,187,999.06-1,639,428.66-671,854.29

Finding the Fourth Proportional to 1,187,999.06, 1,639,428.66 and 671,854.29

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Solution

The fourth proportional to 1,187,999.06, 1,639,428.66 and 671,854.29 is: 927,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,999.06 : 1,639,428.66 = 671,854.29 : x
  2. Step 2: Convert to fraction form
    1,187,999.06/1,639,428.66 = 671,854.29/x
  3. Step 3: Cross multiply
    1,187,999.06x = 1,639,428.66 × 671,854.29
  4. Step 4: Simplify right side
    1,187,999.06x = 1,101,457,178,369.95
  5. Step 5: Solve for x
    x = 1,101,457,178,369.95/1,187,999.06
  6. Step 6: Final answer
    x = 927,153.24

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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.