Home / 779,255.84-1,167,943.20-379,297.28

Finding the Fourth Proportional to 779,255.84, 1,167,943.20 and 379,297.28

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Solution

The fourth proportional to 779,255.84, 1,167,943.20 and 379,297.28 is: 568,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,255.84 : 1,167,943.20 = 379,297.28 : x
  2. Step 2: Convert to fraction form
    779,255.84/1,167,943.20 = 379,297.28/x
  3. Step 3: Cross multiply
    779,255.84x = 1,167,943.20 × 379,297.28
  4. Step 4: Simplify right side
    779,255.84x = 442,997,678,954.50
  5. Step 5: Solve for x
    x = 442,997,678,954.50/779,255.84
  6. Step 6: Final answer
    x = 568,488.11

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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.