Home / 1,220,202.53-1,683,876.59-668,917.27

Finding the Fourth Proportional to 1,220,202.53, 1,683,876.59 and 668,917.27

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Solution

The fourth proportional to 1,220,202.53, 1,683,876.59 and 668,917.27 is: 923,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,202.53 : 1,683,876.59 = 668,917.27 : x
  2. Step 2: Convert to fraction form
    1,220,202.53/1,683,876.59 = 668,917.27/x
  3. Step 3: Cross multiply
    1,220,202.53x = 1,683,876.59 × 668,917.27
  4. Step 4: Simplify right side
    1,220,202.53x = 1,126,374,124,045.43
  5. Step 5: Solve for x
    x = 1,126,374,124,045.43/1,220,202.53
  6. Step 6: Final answer
    x = 923,104.23

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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.