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Finding the Fourth Proportional to 1,229,982.06, 1,845,505.91 and 660,698.91

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Solution

The fourth proportional to 1,229,982.06, 1,845,505.91 and 660,698.91 is: 991,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,982.06 : 1,845,505.91 = 660,698.91 : x
  2. Step 2: Convert to fraction form
    1,229,982.06/1,845,505.91 = 660,698.91/x
  3. Step 3: Cross multiply
    1,229,982.06x = 1,845,505.91 × 660,698.91
  4. Step 4: Simplify right side
    1,229,982.06x = 1,219,323,733,908.03
  5. Step 5: Solve for x
    x = 1,219,323,733,908.03/1,229,982.06
  6. Step 6: Final answer
    x = 991,334.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.