Home / 1,278,224.21-1,763,986.29-705,301.28

Finding the Fourth Proportional to 1,278,224.21, 1,763,986.29 and 705,301.28

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Solution

The fourth proportional to 1,278,224.21, 1,763,986.29 and 705,301.28 is: 973,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,224.21 : 1,763,986.29 = 705,301.28 : x
  2. Step 2: Convert to fraction form
    1,278,224.21/1,763,986.29 = 705,301.28/x
  3. Step 3: Cross multiply
    1,278,224.21x = 1,763,986.29 × 705,301.28
  4. Step 4: Simplify right side
    1,278,224.21x = 1,244,141,797,279.33
  5. Step 5: Solve for x
    x = 1,244,141,797,279.33/1,278,224.21
  6. Step 6: Final answer
    x = 973,336.13

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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.