Home / 1,261,084.46-1,740,334.89-717,298.46

Finding the Fourth Proportional to 1,261,084.46, 1,740,334.89 and 717,298.46

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Solution

The fourth proportional to 1,261,084.46, 1,740,334.89 and 717,298.46 is: 989,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,084.46 : 1,740,334.89 = 717,298.46 : x
  2. Step 2: Convert to fraction form
    1,261,084.46/1,740,334.89 = 717,298.46/x
  3. Step 3: Cross multiply
    1,261,084.46x = 1,740,334.89 × 717,298.46
  4. Step 4: Simplify right side
    1,261,084.46x = 1,248,339,536,481.27
  5. Step 5: Solve for x
    x = 1,248,339,536,481.27/1,261,084.46
  6. Step 6: Final answer
    x = 989,893.68

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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.