Home / 1,235,215.87-1,704,209.29-691,265.23

Finding the Fourth Proportional to 1,235,215.87, 1,704,209.29 and 691,265.23

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Solution

The fourth proportional to 1,235,215.87, 1,704,209.29 and 691,265.23 is: 953,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,215.87 : 1,704,209.29 = 691,265.23 : x
  2. Step 2: Convert to fraction form
    1,235,215.87/1,704,209.29 = 691,265.23/x
  3. Step 3: Cross multiply
    1,235,215.87x = 1,704,209.29 × 691,265.23
  4. Step 4: Simplify right side
    1,235,215.87x = 1,178,060,620,831.30
  5. Step 5: Solve for x
    x = 1,178,060,620,831.30/1,235,215.87
  6. Step 6: Final answer
    x = 953,728.54

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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.