Home / 1,673,206.31-2,309,221.55-994,142.81

Finding the Fourth Proportional to 1,673,206.31, 2,309,221.55 and 994,142.81

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Solution

The fourth proportional to 1,673,206.31, 2,309,221.55 and 994,142.81 is: 1,372,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,206.31 : 2,309,221.55 = 994,142.81 : x
  2. Step 2: Convert to fraction form
    1,673,206.31/2,309,221.55 = 994,142.81/x
  3. Step 3: Cross multiply
    1,673,206.31x = 2,309,221.55 × 994,142.81
  4. Step 4: Simplify right side
    1,673,206.31x = 2,295,696,008,887.97
  5. Step 5: Solve for x
    x = 2,295,696,008,887.97/1,673,206.31
  6. Step 6: Final answer
    x = 1,372,034.04

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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.