Home / 1,361,717.83-1,879,175.94-817,862.86

Finding the Fourth Proportional to 1,361,717.83, 1,879,175.94 and 817,862.86

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Solution

The fourth proportional to 1,361,717.83, 1,879,175.94 and 817,862.86 is: 1,128,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,717.83 : 1,879,175.94 = 817,862.86 : x
  2. Step 2: Convert to fraction form
    1,361,717.83/1,879,175.94 = 817,862.86/x
  3. Step 3: Cross multiply
    1,361,717.83x = 1,879,175.94 × 817,862.86
  4. Step 4: Simplify right side
    1,361,717.83x = 1,536,908,208,731.59
  5. Step 5: Solve for x
    x = 1,536,908,208,731.59/1,361,717.83
  6. Step 6: Final answer
    x = 1,128,653.95

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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.