Home / 1,166,019.99-1,608,251.05-772,841.87

Finding the Fourth Proportional to 1,166,019.99, 1,608,251.05 and 772,841.87

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Solution

The fourth proportional to 1,166,019.99, 1,608,251.05 and 772,841.87 is: 1,065,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,019.99 : 1,608,251.05 = 772,841.87 : x
  2. Step 2: Convert to fraction form
    1,166,019.99/1,608,251.05 = 772,841.87/x
  3. Step 3: Cross multiply
    1,166,019.99x = 1,608,251.05 × 772,841.87
  4. Step 4: Simplify right side
    1,166,019.99x = 1,242,923,747,867.20
  5. Step 5: Solve for x
    x = 1,242,923,747,867.20/1,166,019.99
  6. Step 6: Final answer
    x = 1,065,954.07

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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.