Home / 1,603,887.72-2,213,365.01-878,762.90

Finding the Fourth Proportional to 1,603,887.72, 2,213,365.01 and 878,762.90

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Solution

The fourth proportional to 1,603,887.72, 2,213,365.01 and 878,762.90 is: 1,212,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,887.72 : 2,213,365.01 = 878,762.90 : x
  2. Step 2: Convert to fraction form
    1,603,887.72/2,213,365.01 = 878,762.90/x
  3. Step 3: Cross multiply
    1,603,887.72x = 2,213,365.01 × 878,762.90
  4. Step 4: Simplify right side
    1,603,887.72x = 1,945,023,039,485.49
  5. Step 5: Solve for x
    x = 1,945,023,039,485.49/1,603,887.72
  6. Step 6: Final answer
    x = 1,212,692.77

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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.