Home / 487,730.52-673,094.26-272,857.76

Finding the Fourth Proportional to 487,730.52, 673,094.26 and 272,857.76

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Solution

The fourth proportional to 487,730.52, 673,094.26 and 272,857.76 is: 376,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,730.52 : 673,094.26 = 272,857.76 : x
  2. Step 2: Convert to fraction form
    487,730.52/673,094.26 = 272,857.76/x
  3. Step 3: Cross multiply
    487,730.52x = 673,094.26 × 272,857.76
  4. Step 4: Simplify right side
    487,730.52x = 183,658,992,052.46
  5. Step 5: Solve for x
    x = 183,658,992,052.46/487,730.52
  6. Step 6: Final answer
    x = 376,558.33

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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.