Home / 1,238,611.08-1,709,303.22-694,867.88

Finding the Fourth Proportional to 1,238,611.08, 1,709,303.22 and 694,867.88

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Solution

The fourth proportional to 1,238,611.08, 1,709,303.22 and 694,867.88 is: 958,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,611.08 : 1,709,303.22 = 694,867.88 : x
  2. Step 2: Convert to fraction form
    1,238,611.08/1,709,303.22 = 694,867.88/x
  3. Step 3: Cross multiply
    1,238,611.08x = 1,709,303.22 × 694,867.88
  4. Step 4: Simplify right side
    1,238,611.08x = 1,187,739,904,758.57
  5. Step 5: Solve for x
    x = 1,187,739,904,758.57/1,238,611.08
  6. Step 6: Final answer
    x = 958,928.86

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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.