Home / 1,235,211.51-1,704,203.34-691,260.87

Finding the Fourth Proportional to 1,235,211.51, 1,704,203.34 and 691,260.87

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Solution

The fourth proportional to 1,235,211.51, 1,704,203.34 and 691,260.87 is: 953,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,211.51 : 1,704,203.34 = 691,260.87 : x
  2. Step 2: Convert to fraction form
    1,235,211.51/1,704,203.34 = 691,260.87/x
  3. Step 3: Cross multiply
    1,235,211.51x = 1,704,203.34 × 691,260.87
  4. Step 4: Simplify right side
    1,235,211.51x = 1,178,049,083,465.31
  5. Step 5: Solve for x
    x = 1,178,049,083,465.31/1,235,211.51
  6. Step 6: Final answer
    x = 953,722.56

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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.