Home / 1,297,672.45-1,777,781.62-1,249,155.17

Finding the Fourth Proportional to 1,297,672.45, 1,777,781.62 and 1,249,155.17

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Solution

The fourth proportional to 1,297,672.45, 1,777,781.62 and 1,249,155.17 is: 1,711,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,672.45 : 1,777,781.62 = 1,249,155.17 : x
  2. Step 2: Convert to fraction form
    1,297,672.45/1,777,781.62 = 1,249,155.17/x
  3. Step 3: Cross multiply
    1,297,672.45x = 1,777,781.62 × 1,249,155.17
  4. Step 4: Simplify right side
    1,297,672.45x = 2,220,725,101,093.19
  5. Step 5: Solve for x
    x = 2,220,725,101,093.19/1,297,672.45
  6. Step 6: Final answer
    x = 1,711,314.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.