Home / 1,422,446.32-1,963,010.01-810,586

Finding the Fourth Proportional to 1,422,446.32, 1,963,010.01 and 810,586

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Solution

The fourth proportional to 1,422,446.32, 1,963,010.01 and 810,586 is: 1,118,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,446.32 : 1,963,010.01 = 810,586 : x
  2. Step 2: Convert to fraction form
    1,422,446.32/1,963,010.01 = 810,586/x
  3. Step 3: Cross multiply
    1,422,446.32x = 1,963,010.01 × 810,586
  4. Step 4: Simplify right side
    1,422,446.32x = 1,591,188,431,965.86
  5. Step 5: Solve for x
    x = 1,591,188,431,965.86/1,422,446.32
  6. Step 6: Final answer
    x = 1,118,628.11

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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.