Home / 1,640,150.34-2,263,408.44-914,998.06

Finding the Fourth Proportional to 1,640,150.34, 2,263,408.44 and 914,998.06

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Solution

The fourth proportional to 1,640,150.34, 2,263,408.44 and 914,998.06 is: 1,262,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,150.34 : 2,263,408.44 = 914,998.06 : x
  2. Step 2: Convert to fraction form
    1,640,150.34/2,263,408.44 = 914,998.06/x
  3. Step 3: Cross multiply
    1,640,150.34x = 2,263,408.44 × 914,998.06
  4. Step 4: Simplify right side
    1,640,150.34x = 2,071,014,331,587.63
  5. Step 5: Solve for x
    x = 2,071,014,331,587.63/1,640,150.34
  6. Step 6: Final answer
    x = 1,262,697.86

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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.