Home / 515,828.46-773,389.77-262,618.98

Finding the Fourth Proportional to 515,828.46, 773,389.77 and 262,618.98

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Solution

The fourth proportional to 515,828.46, 773,389.77 and 262,618.98 is: 393,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,828.46 : 773,389.77 = 262,618.98 : x
  2. Step 2: Convert to fraction form
    515,828.46/773,389.77 = 262,618.98/x
  3. Step 3: Cross multiply
    515,828.46x = 773,389.77 × 262,618.98
  4. Step 4: Simplify right side
    515,828.46x = 203,106,832,539.84
  5. Step 5: Solve for x
    x = 203,106,832,539.84/515,828.46
  6. Step 6: Final answer
    x = 393,748.79

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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.