Home / 1,605,453.60-2,215,625.36-890,061.60

Finding the Fourth Proportional to 1,605,453.60, 2,215,625.36 and 890,061.60

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Solution

The fourth proportional to 1,605,453.60, 2,215,625.36 and 890,061.60 is: 1,228,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,453.60 : 2,215,625.36 = 890,061.60 : x
  2. Step 2: Convert to fraction form
    1,605,453.60/2,215,625.36 = 890,061.60/x
  3. Step 3: Cross multiply
    1,605,453.60x = 2,215,625.36 × 890,061.60
  4. Step 4: Simplify right side
    1,605,453.60x = 1,972,043,052,922.18
  5. Step 5: Solve for x
    x = 1,972,043,052,922.18/1,605,453.60
  6. Step 6: Final answer
    x = 1,228,340.11

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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.