Home / 1,196,820.32-1,651,758.08-687,521.44

Finding the Fourth Proportional to 1,196,820.32, 1,651,758.08 and 687,521.44

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Solution

The fourth proportional to 1,196,820.32, 1,651,758.08 and 687,521.44 is: 948,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,820.32 : 1,651,758.08 = 687,521.44 : x
  2. Step 2: Convert to fraction form
    1,196,820.32/1,651,758.08 = 687,521.44/x
  3. Step 3: Cross multiply
    1,196,820.32x = 1,651,758.08 × 687,521.44
  4. Step 4: Simplify right side
    1,196,820.32x = 1,135,619,093,693.24
  5. Step 5: Solve for x
    x = 1,135,619,093,693.24/1,196,820.32
  6. Step 6: Final answer
    x = 948,863.48

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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.