Home / 767,260.50-1,058,819.49-427,750.62

Finding the Fourth Proportional to 767,260.50, 1,058,819.49 and 427,750.62

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Solution

The fourth proportional to 767,260.50, 1,058,819.49 and 427,750.62 is: 590,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,260.50 : 1,058,819.49 = 427,750.62 : x
  2. Step 2: Convert to fraction form
    767,260.50/1,058,819.49 = 427,750.62/x
  3. Step 3: Cross multiply
    767,260.50x = 1,058,819.49 × 427,750.62
  4. Step 4: Simplify right side
    767,260.50x = 452,910,693,315.58
  5. Step 5: Solve for x
    x = 452,910,693,315.58/767,260.50
  6. Step 6: Final answer
    x = 590,295.86

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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.