Home / 766,721.30-1,058,255.68-476,552

Finding the Fourth Proportional to 766,721.30, 1,058,255.68 and 476,552

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Solution

The fourth proportional to 766,721.30, 1,058,255.68 and 476,552 is: 657,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,721.30 : 1,058,255.68 = 476,552 : x
  2. Step 2: Convert to fraction form
    766,721.30/1,058,255.68 = 476,552/x
  3. Step 3: Cross multiply
    766,721.30x = 1,058,255.68 × 476,552
  4. Step 4: Simplify right side
    766,721.30x = 504,313,860,815.36
  5. Step 5: Solve for x
    x = 504,313,860,815.36/766,721.30
  6. Step 6: Final answer
    x = 657,753.82

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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.