Home / 1,278,215.70-1,763,936.31-705,255.81

Finding the Fourth Proportional to 1,278,215.70, 1,763,936.31 and 705,255.81

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Solution

The fourth proportional to 1,278,215.70, 1,763,936.31 and 705,255.81 is: 973,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,215.70 : 1,763,936.31 = 705,255.81 : x
  2. Step 2: Convert to fraction form
    1,278,215.70/1,763,936.31 = 705,255.81/x
  3. Step 3: Cross multiply
    1,278,215.70x = 1,763,936.31 × 705,255.81
  4. Step 4: Simplify right side
    1,278,215.70x = 1,244,026,331,097.46
  5. Step 5: Solve for x
    x = 1,244,026,331,097.46/1,278,215.70
  6. Step 6: Final answer
    x = 973,252.27

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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.