Home / 1,221,161.84-1,683,256.83-962,617.43

Finding the Fourth Proportional to 1,221,161.84, 1,683,256.83 and 962,617.43

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Solution

The fourth proportional to 1,221,161.84, 1,683,256.83 and 962,617.43 is: 1,326,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,161.84 : 1,683,256.83 = 962,617.43 : x
  2. Step 2: Convert to fraction form
    1,221,161.84/1,683,256.83 = 962,617.43/x
  3. Step 3: Cross multiply
    1,221,161.84x = 1,683,256.83 × 962,617.43
  4. Step 4: Simplify right side
    1,221,161.84x = 1,620,332,355,308.26
  5. Step 5: Solve for x
    x = 1,620,332,355,308.26/1,221,161.84
  6. Step 6: Final answer
    x = 1,326,877.66

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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.