Home / 1,264,064.94-1,896,078.38-411,175.44

Finding the Fourth Proportional to 1,264,064.94, 1,896,078.38 and 411,175.44

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Solution

The fourth proportional to 1,264,064.94, 1,896,078.38 and 411,175.44 is: 616,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,064.94 : 1,896,078.38 = 411,175.44 : x
  2. Step 2: Convert to fraction form
    1,264,064.94/1,896,078.38 = 411,175.44/x
  3. Step 3: Cross multiply
    1,264,064.94x = 1,896,078.38 × 411,175.44
  4. Step 4: Simplify right side
    1,264,064.94x = 779,620,860,115.11
  5. Step 5: Solve for x
    x = 779,620,860,115.11/1,264,064.94
  6. Step 6: Final answer
    x = 616,756.97

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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.