Home / 681,110.70-1,021,666.05-681,110.70

Finding the Fourth Proportional to 681,110.70, 1,021,666.05 and 681,110.70

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Solution

The fourth proportional to 681,110.70, 1,021,666.05 and 681,110.70 is: 1,021,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,110.70 : 1,021,666.05 = 681,110.70 : x
  2. Step 2: Convert to fraction form
    681,110.70/1,021,666.05 = 681,110.70/x
  3. Step 3: Cross multiply
    681,110.70x = 1,021,666.05 × 681,110.70
  4. Step 4: Simplify right side
    681,110.70x = 695,867,678,481.74
  5. Step 5: Solve for x
    x = 695,867,678,481.74/681,110.70
  6. Step 6: Final answer
    x = 1,021,666.05

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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.