Home / 1,508,222.17-2,081,360.14-819,895.36

Finding the Fourth Proportional to 1,508,222.17, 2,081,360.14 and 819,895.36

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Solution

The fourth proportional to 1,508,222.17, 2,081,360.14 and 819,895.36 is: 1,131,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,222.17 : 2,081,360.14 = 819,895.36 : x
  2. Step 2: Convert to fraction form
    1,508,222.17/2,081,360.14 = 819,895.36/x
  3. Step 3: Cross multiply
    1,508,222.17x = 2,081,360.14 × 819,895.36
  4. Step 4: Simplify right side
    1,508,222.17x = 1,706,497,521,274.95
  5. Step 5: Solve for x
    x = 1,706,497,521,274.95/1,508,222.17
  6. Step 6: Final answer
    x = 1,131,462.96

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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.