Home / 1,195,115.67-1,649,217.78-671,810.31

Finding the Fourth Proportional to 1,195,115.67, 1,649,217.78 and 671,810.31

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Solution

The fourth proportional to 1,195,115.67, 1,649,217.78 and 671,810.31 is: 927,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,115.67 : 1,649,217.78 = 671,810.31 : x
  2. Step 2: Convert to fraction form
    1,195,115.67/1,649,217.78 = 671,810.31/x
  3. Step 3: Cross multiply
    1,195,115.67x = 1,649,217.78 × 671,810.31
  4. Step 4: Simplify right side
    1,195,115.67x = 1,107,961,508,039.31
  5. Step 5: Solve for x
    x = 1,107,961,508,039.31/1,195,115.67
  6. Step 6: Final answer
    x = 927,074.71

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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.