Home / 1,235,758.68-1,705,255.74-691,769.16

Finding the Fourth Proportional to 1,235,758.68, 1,705,255.74 and 691,769.16

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Solution

The fourth proportional to 1,235,758.68, 1,705,255.74 and 691,769.16 is: 954,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,758.68 : 1,705,255.74 = 691,769.16 : x
  2. Step 2: Convert to fraction form
    1,235,758.68/1,705,255.74 = 691,769.16/x
  3. Step 3: Cross multiply
    1,235,758.68x = 1,705,255.74 × 691,769.16
  4. Step 4: Simplify right side
    1,235,758.68x = 1,179,643,330,844.98
  5. Step 5: Solve for x
    x = 1,179,643,330,844.98/1,235,758.68
  6. Step 6: Final answer
    x = 954,590.37

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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.