Home / 769,824-1,155,217.14-370,506.96

Finding the Fourth Proportional to 769,824, 1,155,217.14 and 370,506.96

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Solution

The fourth proportional to 769,824, 1,155,217.14 and 370,506.96 is: 555,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824 : 1,155,217.14 = 370,506.96 : x
  2. Step 2: Convert to fraction form
    769,824/1,155,217.14 = 370,506.96/x
  3. Step 3: Cross multiply
    769,824x = 1,155,217.14 × 370,506.96
  4. Step 4: Simplify right side
    769,824x = 428,015,990,681.29
  5. Step 5: Solve for x
    x = 428,015,990,681.29/769,824
  6. Step 6: Final answer
    x = 555,992.01

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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.