Home / 989,236.67-1,365,293.27-626,694.17

Finding the Fourth Proportional to 989,236.67, 1,365,293.27 and 626,694.17

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Solution

The fourth proportional to 989,236.67, 1,365,293.27 and 626,694.17 is: 864,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,236.67 : 1,365,293.27 = 626,694.17 : x
  2. Step 2: Convert to fraction form
    989,236.67/1,365,293.27 = 626,694.17/x
  3. Step 3: Cross multiply
    989,236.67x = 1,365,293.27 × 626,694.17
  4. Step 4: Simplify right side
    989,236.67x = 855,621,327,389.51
  5. Step 5: Solve for x
    x = 855,621,327,389.51/989,236.67
  6. Step 6: Final answer
    x = 864,930.87

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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.