Home / 548,929.52-757,556.12-307,207.16

Finding the Fourth Proportional to 548,929.52, 757,556.12 and 307,207.16

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Solution

The fourth proportional to 548,929.52, 757,556.12 and 307,207.16 is: 423,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,929.52 : 757,556.12 = 307,207.16 : x
  2. Step 2: Convert to fraction form
    548,929.52/757,556.12 = 307,207.16/x
  3. Step 3: Cross multiply
    548,929.52x = 757,556.12 × 307,207.16
  4. Step 4: Simplify right side
    548,929.52x = 232,726,664,165.82
  5. Step 5: Solve for x
    x = 232,726,664,165.82/548,929.52
  6. Step 6: Final answer
    x = 423,964.56

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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.