Home / 480,277.07-662,764.46-276,359.53

Finding the Fourth Proportional to 480,277.07, 662,764.46 and 276,359.53

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Solution

The fourth proportional to 480,277.07, 662,764.46 and 276,359.53 is: 381,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,277.07 : 662,764.46 = 276,359.53 : x
  2. Step 2: Convert to fraction form
    480,277.07/662,764.46 = 276,359.53/x
  3. Step 3: Cross multiply
    480,277.07x = 662,764.46 × 276,359.53
  4. Step 4: Simplify right side
    480,277.07x = 183,161,269,970.68
  5. Step 5: Solve for x
    x = 183,161,269,970.68/480,277.07
  6. Step 6: Final answer
    x = 381,365.84

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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.