Home / 1,231,217.34-1,699,786.71-938,531.58

Finding the Fourth Proportional to 1,231,217.34, 1,699,786.71 and 938,531.58

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Solution

The fourth proportional to 1,231,217.34, 1,699,786.71 and 938,531.58 is: 1,295,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,217.34 : 1,699,786.71 = 938,531.58 : x
  2. Step 2: Convert to fraction form
    1,231,217.34/1,699,786.71 = 938,531.58/x
  3. Step 3: Cross multiply
    1,231,217.34x = 1,699,786.71 × 938,531.58
  4. Step 4: Simplify right side
    1,231,217.34x = 1,595,303,506,599.30
  5. Step 5: Solve for x
    x = 1,595,303,506,599.30/1,231,217.34
  6. Step 6: Final answer
    x = 1,295,712.34

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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.