Home / 1,261,093.56-1,740,351.12-688,165.17

Finding the Fourth Proportional to 1,261,093.56, 1,740,351.12 and 688,165.17

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Solution

The fourth proportional to 1,261,093.56, 1,740,351.12 and 688,165.17 is: 949,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,093.56 : 1,740,351.12 = 688,165.17 : x
  2. Step 2: Convert to fraction form
    1,261,093.56/1,740,351.12 = 688,165.17/x
  3. Step 3: Cross multiply
    1,261,093.56x = 1,740,351.12 × 688,165.17
  4. Step 4: Simplify right side
    1,261,093.56x = 1,197,649,024,354.49
  5. Step 5: Solve for x
    x = 1,197,649,024,354.49/1,261,093.56
  6. Step 6: Final answer
    x = 949,690.86

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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.