Home / 1,310,900.62-1,809,077.07-737,961.70

Finding the Fourth Proportional to 1,310,900.62, 1,809,077.07 and 737,961.70

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Solution

The fourth proportional to 1,310,900.62, 1,809,077.07 and 737,961.70 is: 1,018,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,900.62 : 1,809,077.07 = 737,961.70 : x
  2. Step 2: Convert to fraction form
    1,310,900.62/1,809,077.07 = 737,961.70/x
  3. Step 3: Cross multiply
    1,310,900.62x = 1,809,077.07 × 737,961.70
  4. Step 4: Simplify right side
    1,310,900.62x = 1,335,029,590,008.22
  5. Step 5: Solve for x
    x = 1,335,029,590,008.22/1,310,900.62
  6. Step 6: Final answer
    x = 1,018,406.41

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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.