Home / 1,605,161.73-2,215,000.25-916,738.56

Finding the Fourth Proportional to 1,605,161.73, 2,215,000.25 and 916,738.56

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Solution

The fourth proportional to 1,605,161.73, 2,215,000.25 and 916,738.56 is: 1,265,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,161.73 : 2,215,000.25 = 916,738.56 : x
  2. Step 2: Convert to fraction form
    1,605,161.73/2,215,000.25 = 916,738.56/x
  3. Step 3: Cross multiply
    1,605,161.73x = 2,215,000.25 × 916,738.56
  4. Step 4: Simplify right side
    1,605,161.73x = 2,030,576,139,584.64
  5. Step 5: Solve for x
    x = 2,030,576,139,584.64/1,605,161.73
  6. Step 6: Final answer
    x = 1,265,029.00

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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.