Home / 455,244.11-628,236.98-251,295.15

Finding the Fourth Proportional to 455,244.11, 628,236.98 and 251,295.15

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Solution

The fourth proportional to 455,244.11, 628,236.98 and 251,295.15 is: 346,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,244.11 : 628,236.98 = 251,295.15 : x
  2. Step 2: Convert to fraction form
    455,244.11/628,236.98 = 251,295.15/x
  3. Step 3: Cross multiply
    455,244.11x = 628,236.98 × 251,295.15
  4. Step 4: Simplify right side
    455,244.11x = 157,872,906,124.65
  5. Step 5: Solve for x
    x = 157,872,906,124.65/455,244.11
  6. Step 6: Final answer
    x = 346,787.37

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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.