Home / 969,041.07-1,335,890.88-681,669.27

Finding the Fourth Proportional to 969,041.07, 1,335,890.88 and 681,669.27

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Solution

The fourth proportional to 969,041.07, 1,335,890.88 and 681,669.27 is: 939,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,041.07 : 1,335,890.88 = 681,669.27 : x
  2. Step 2: Convert to fraction form
    969,041.07/1,335,890.88 = 681,669.27/x
  3. Step 3: Cross multiply
    969,041.07x = 1,335,890.88 × 681,669.27
  4. Step 4: Simplify right side
    969,041.07x = 910,635,760,969.26
  5. Step 5: Solve for x
    x = 910,635,760,969.26/969,041.07
  6. Step 6: Final answer
    x = 939,728.76

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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.