Home / 1,603,279.37-2,212,411.73-914,789.90

Finding the Fourth Proportional to 1,603,279.37, 2,212,411.73 and 914,789.90

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Solution

The fourth proportional to 1,603,279.37, 2,212,411.73 and 914,789.90 is: 1,262,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,279.37 : 2,212,411.73 = 914,789.90 : x
  2. Step 2: Convert to fraction form
    1,603,279.37/2,212,411.73 = 914,789.90/x
  3. Step 3: Cross multiply
    1,603,279.37x = 2,212,411.73 × 914,789.90
  4. Step 4: Simplify right side
    1,603,279.37x = 2,023,891,906,202.61
  5. Step 5: Solve for x
    x = 2,023,891,906,202.61/1,603,279.37
  6. Step 6: Final answer
    x = 1,262,345.13

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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.