Home / 463,256.85-693,980.27-319,137.24

Finding the Fourth Proportional to 463,256.85, 693,980.27 and 319,137.24

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Solution

The fourth proportional to 463,256.85, 693,980.27 and 319,137.24 is: 478,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,256.85 : 693,980.27 = 319,137.24 : x
  2. Step 2: Convert to fraction form
    463,256.85/693,980.27 = 319,137.24/x
  3. Step 3: Cross multiply
    463,256.85x = 693,980.27 × 319,137.24
  4. Step 4: Simplify right side
    463,256.85x = 221,474,947,982.26
  5. Step 5: Solve for x
    x = 221,474,947,982.26/463,256.85
  6. Step 6: Final answer
    x = 478,082.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.