Home / 1,508,243.04-2,081,387.34-819,914.76

Finding the Fourth Proportional to 1,508,243.04, 2,081,387.34 and 819,914.76

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Solution

The fourth proportional to 1,508,243.04, 2,081,387.34 and 819,914.76 is: 1,131,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,243.04 : 2,081,387.34 = 819,914.76 : x
  2. Step 2: Convert to fraction form
    1,508,243.04/2,081,387.34 = 819,914.76/x
  3. Step 3: Cross multiply
    1,508,243.04x = 2,081,387.34 × 819,914.76
  4. Step 4: Simplify right side
    1,508,243.04x = 1,706,560,201,343.14
  5. Step 5: Solve for x
    x = 1,706,560,201,343.14/1,508,243.04
  6. Step 6: Final answer
    x = 1,131,488.86

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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.