Home / 1,329,149.93-1,993,628.16-519,382.67

Finding the Fourth Proportional to 1,329,149.93, 1,993,628.16 and 519,382.67

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Solution

The fourth proportional to 1,329,149.93, 1,993,628.16 and 519,382.67 is: 779,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,149.93 : 1,993,628.16 = 519,382.67 : x
  2. Step 2: Convert to fraction form
    1,329,149.93/1,993,628.16 = 519,382.67/x
  3. Step 3: Cross multiply
    1,329,149.93x = 1,993,628.16 × 519,382.67
  4. Step 4: Simplify right side
    1,329,149.93x = 1,035,455,906,759.85
  5. Step 5: Solve for x
    x = 1,035,455,906,759.85/1,329,149.93
  6. Step 6: Final answer
    x = 779,036.20

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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.