Home / 474,421.37-654,972.17-313,742.48

Finding the Fourth Proportional to 474,421.37, 654,972.17 and 313,742.48

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Solution

The fourth proportional to 474,421.37, 654,972.17 and 313,742.48 is: 433,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,421.37 : 654,972.17 = 313,742.48 : x
  2. Step 2: Convert to fraction form
    474,421.37/654,972.17 = 313,742.48/x
  3. Step 3: Cross multiply
    474,421.37x = 654,972.17 × 313,742.48
  4. Step 4: Simplify right side
    474,421.37x = 205,492,588,103.21
  5. Step 5: Solve for x
    x = 205,492,588,103.21/474,421.37
  6. Step 6: Final answer
    x = 433,143.62

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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.