Home / 1,720,406.80-2,578,277.40-1,150,166.80

Finding the Fourth Proportional to 1,720,406.80, 2,578,277.40 and 1,150,166.80

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Solution

The fourth proportional to 1,720,406.80, 2,578,277.40 and 1,150,166.80 is: 1,723,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,406.80 : 2,578,277.40 = 1,150,166.80 : x
  2. Step 2: Convert to fraction form
    1,720,406.80/2,578,277.40 = 1,150,166.80/x
  3. Step 3: Cross multiply
    1,720,406.80x = 2,578,277.40 × 1,150,166.80
  4. Step 4: Simplify right side
    1,720,406.80x = 2,965,449,066,670.32
  5. Step 5: Solve for x
    x = 2,965,449,066,670.32/1,720,406.80
  6. Step 6: Final answer
    x = 1,723,690.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.