Home / 1,279,338.06-1,765,433.16-698,514.60

Finding the Fourth Proportional to 1,279,338.06, 1,765,433.16 and 698,514.60

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Solution

The fourth proportional to 1,279,338.06, 1,765,433.16 and 698,514.60 is: 963,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,338.06 : 1,765,433.16 = 698,514.60 : x
  2. Step 2: Convert to fraction form
    1,279,338.06/1,765,433.16 = 698,514.60/x
  3. Step 3: Cross multiply
    1,279,338.06x = 1,765,433.16 × 698,514.60
  4. Step 4: Simplify right side
    1,279,338.06x = 1,233,180,837,584.14
  5. Step 5: Solve for x
    x = 1,233,180,837,584.14/1,279,338.06
  6. Step 6: Final answer
    x = 963,921.01

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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.