Home / 1,640,150.09-2,263,408.10-914,997.81

Finding the Fourth Proportional to 1,640,150.09, 2,263,408.10 and 914,997.81

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Solution

The fourth proportional to 1,640,150.09, 2,263,408.10 and 914,997.81 is: 1,262,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,150.09 : 2,263,408.10 = 914,997.81 : x
  2. Step 2: Convert to fraction form
    1,640,150.09/2,263,408.10 = 914,997.81/x
  3. Step 3: Cross multiply
    1,640,150.09x = 2,263,408.10 × 914,997.81
  4. Step 4: Simplify right side
    1,640,150.09x = 2,071,013,454,636.26
  5. Step 5: Solve for x
    x = 2,071,013,454,636.26/1,640,150.09
  6. Step 6: Final answer
    x = 1,262,697.52

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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.