Home / 455,794.28-628,985.76-251,845.59

Finding the Fourth Proportional to 455,794.28, 628,985.76 and 251,845.59

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Solution

The fourth proportional to 455,794.28, 628,985.76 and 251,845.59 is: 347,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,794.28 : 628,985.76 = 251,845.59 : x
  2. Step 2: Convert to fraction form
    455,794.28/628,985.76 = 251,845.59/x
  3. Step 3: Cross multiply
    455,794.28x = 628,985.76 × 251,845.59
  4. Step 4: Simplify right side
    455,794.28x = 158,407,289,828.80
  5. Step 5: Solve for x
    x = 158,407,289,828.80/455,794.28
  6. Step 6: Final answer
    x = 347,541.20

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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.