Home / 1,015,834.99-1,401,995.19-628,774.65

Finding the Fourth Proportional to 1,015,834.99, 1,401,995.19 and 628,774.65

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Solution

The fourth proportional to 1,015,834.99, 1,401,995.19 and 628,774.65 is: 867,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,834.99 : 1,401,995.19 = 628,774.65 : x
  2. Step 2: Convert to fraction form
    1,015,834.99/1,401,995.19 = 628,774.65/x
  3. Step 3: Cross multiply
    1,015,834.99x = 1,401,995.19 × 628,774.65
  4. Step 4: Simplify right side
    1,015,834.99x = 881,539,034,893.93
  5. Step 5: Solve for x
    x = 881,539,034,893.93/1,015,834.99
  6. Step 6: Final answer
    x = 867,797.47

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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.