Home / 1,603,898.97-2,213,380.53-878,774.15

Finding the Fourth Proportional to 1,603,898.97, 2,213,380.53 and 878,774.15

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Solution

The fourth proportional to 1,603,898.97, 2,213,380.53 and 878,774.15 is: 1,212,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,898.97 : 2,213,380.53 = 878,774.15 : x
  2. Step 2: Convert to fraction form
    1,603,898.97/2,213,380.53 = 878,774.15/x
  3. Step 3: Cross multiply
    1,603,898.97x = 2,213,380.53 × 878,774.15
  4. Step 4: Simplify right side
    1,603,898.97x = 1,945,061,582,810.40
  5. Step 5: Solve for x
    x = 1,945,061,582,810.40/1,603,898.97
  6. Step 6: Final answer
    x = 1,212,708.29

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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.