Home / 464,436.10-640,981.11-273,467.26

Finding the Fourth Proportional to 464,436.10, 640,981.11 and 273,467.26

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Solution

The fourth proportional to 464,436.10, 640,981.11 and 273,467.26 is: 377,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,436.10 : 640,981.11 = 273,467.26 : x
  2. Step 2: Convert to fraction form
    464,436.10/640,981.11 = 273,467.26/x
  3. Step 3: Cross multiply
    464,436.10x = 640,981.11 × 273,467.26
  4. Step 4: Simplify right side
    464,436.10x = 175,287,347,863.46
  5. Step 5: Solve for x
    x = 175,287,347,863.46/464,436.10
  6. Step 6: Final answer
    x = 377,419.73

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1.5x scale

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.