Home / 487,982.28-673,262.04-273,088.20

Finding the Fourth Proportional to 487,982.28, 673,262.04 and 273,088.20

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Solution

The fourth proportional to 487,982.28, 673,262.04 and 273,088.20 is: 376,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,982.28 : 673,262.04 = 273,088.20 : x
  2. Step 2: Convert to fraction form
    487,982.28/673,262.04 = 273,088.20/x
  3. Step 3: Cross multiply
    487,982.28x = 673,262.04 × 273,088.20
  4. Step 4: Simplify right side
    487,982.28x = 183,859,918,631.93
  5. Step 5: Solve for x
    x = 183,859,918,631.93/487,982.28
  6. Step 6: Final answer
    x = 376,775.81

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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.