Home / 1,603,900.85-2,213,383.12-878,776.02

Finding the Fourth Proportional to 1,603,900.85, 2,213,383.12 and 878,776.02

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Solution

The fourth proportional to 1,603,900.85, 2,213,383.12 and 878,776.02 is: 1,212,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,900.85 : 2,213,383.12 = 878,776.02 : x
  2. Step 2: Convert to fraction form
    1,603,900.85/2,213,383.12 = 878,776.02/x
  3. Step 3: Cross multiply
    1,603,900.85x = 2,213,383.12 × 878,776.02
  4. Step 4: Simplify right side
    1,603,900.85x = 1,945,068,006,731.84
  5. Step 5: Solve for x
    x = 1,945,068,006,731.84/1,603,900.85
  6. Step 6: Final answer
    x = 1,212,710.88

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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.