Home / 455,232.14-628,220.25-251,283

Finding the Fourth Proportional to 455,232.14, 628,220.25 and 251,283

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Solution

The fourth proportional to 455,232.14, 628,220.25 and 251,283 is: 346,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,232.14 : 628,220.25 = 251,283 : x
  2. Step 2: Convert to fraction form
    455,232.14/628,220.25 = 251,283/x
  3. Step 3: Cross multiply
    455,232.14x = 628,220.25 × 251,283
  4. Step 4: Simplify right side
    455,232.14x = 157,861,069,080.75
  5. Step 5: Solve for x
    x = 157,861,069,080.75/455,232.14
  6. Step 6: Final answer
    x = 346,770.49

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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.