Home / 1,216,781.41-1,678,650.97-700,411.75

Finding the Fourth Proportional to 1,216,781.41, 1,678,650.97 and 700,411.75

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Solution

The fourth proportional to 1,216,781.41, 1,678,650.97 and 700,411.75 is: 966,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,781.41 : 1,678,650.97 = 700,411.75 : x
  2. Step 2: Convert to fraction form
    1,216,781.41/1,678,650.97 = 700,411.75/x
  3. Step 3: Cross multiply
    1,216,781.41x = 1,678,650.97 × 700,411.75
  4. Step 4: Simplify right side
    1,216,781.41x = 1,175,746,863,536.90
  5. Step 5: Solve for x
    x = 1,175,746,863,536.90/1,216,781.41
  6. Step 6: Final answer
    x = 966,276.16

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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.