Home / 1,212,098.03-1,672,706.10-668,253.09

Finding the Fourth Proportional to 1,212,098.03, 1,672,706.10 and 668,253.09

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Solution

The fourth proportional to 1,212,098.03, 1,672,706.10 and 668,253.09 is: 922,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,098.03 : 1,672,706.10 = 668,253.09 : x
  2. Step 2: Convert to fraction form
    1,212,098.03/1,672,706.10 = 668,253.09/x
  3. Step 3: Cross multiply
    1,212,098.03x = 1,672,706.10 × 668,253.09
  4. Step 4: Simplify right side
    1,212,098.03x = 1,117,791,019,986.85
  5. Step 5: Solve for x
    x = 1,117,791,019,986.85/1,212,098.03
  6. Step 6: Final answer
    x = 922,195.23

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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.