Home / 487,731.02-673,094.97-272,858.27

Finding the Fourth Proportional to 487,731.02, 673,094.97 and 272,858.27

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Solution

The fourth proportional to 487,731.02, 673,094.97 and 272,858.27 is: 376,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,731.02 : 673,094.97 = 272,858.27 : x
  2. Step 2: Convert to fraction form
    487,731.02/673,094.97 = 272,858.27/x
  3. Step 3: Cross multiply
    487,731.02x = 673,094.97 × 272,858.27
  4. Step 4: Simplify right side
    487,731.02x = 183,659,525,694.43
  5. Step 5: Solve for x
    x = 183,659,525,694.43/487,731.02
  6. Step 6: Final answer
    x = 376,559.05

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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.