Home / 480,884.32-663,669.66-276,942.88

Finding the Fourth Proportional to 480,884.32, 663,669.66 and 276,942.88

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Solution

The fourth proportional to 480,884.32, 663,669.66 and 276,942.88 is: 382,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,884.32 : 663,669.66 = 276,942.88 : x
  2. Step 2: Convert to fraction form
    480,884.32/663,669.66 = 276,942.88/x
  3. Step 3: Cross multiply
    480,884.32x = 663,669.66 × 276,942.88
  4. Step 4: Simplify right side
    480,884.32x = 183,798,587,009.02
  5. Step 5: Solve for x
    x = 183,798,587,009.02/480,884.32
  6. Step 6: Final answer
    x = 382,209.57

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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.