Home / 758,772.84-1,137,822.30-403,712.04

Finding the Fourth Proportional to 758,772.84, 1,137,822.30 and 403,712.04

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Solution

The fourth proportional to 758,772.84, 1,137,822.30 and 403,712.04 is: 605,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,772.84 : 1,137,822.30 = 403,712.04 : x
  2. Step 2: Convert to fraction form
    758,772.84/1,137,822.30 = 403,712.04/x
  3. Step 3: Cross multiply
    758,772.84x = 1,137,822.30 × 403,712.04
  4. Step 4: Simplify right side
    758,772.84x = 459,352,561,890.49
  5. Step 5: Solve for x
    x = 459,352,561,890.49/758,772.84
  6. Step 6: Final answer
    x = 605,388.78

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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.