Home / 1,207,517.87-1,666,532.63-779,044.43

Finding the Fourth Proportional to 1,207,517.87, 1,666,532.63 and 779,044.43

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Solution

The fourth proportional to 1,207,517.87, 1,666,532.63 and 779,044.43 is: 1,075,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,517.87 : 1,666,532.63 = 779,044.43 : x
  2. Step 2: Convert to fraction form
    1,207,517.87/1,666,532.63 = 779,044.43/x
  3. Step 3: Cross multiply
    1,207,517.87x = 1,666,532.63 × 779,044.43
  4. Step 4: Simplify right side
    1,207,517.87x = 1,298,302,958,919.53
  5. Step 5: Solve for x
    x = 1,298,302,958,919.53/1,207,517.87
  6. Step 6: Final answer
    x = 1,075,183.23

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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.