Home / 455,582.05-628,649.29-251,620.83

Finding the Fourth Proportional to 455,582.05, 628,649.29 and 251,620.83

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Solution

The fourth proportional to 455,582.05, 628,649.29 and 251,620.83 is: 347,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,582.05 : 628,649.29 = 251,620.83 : x
  2. Step 2: Convert to fraction form
    455,582.05/628,649.29 = 251,620.83/x
  3. Step 3: Cross multiply
    455,582.05x = 628,649.29 × 251,620.83
  4. Step 4: Simplify right side
    455,582.05x = 158,181,255,499.66
  5. Step 5: Solve for x
    x = 158,181,255,499.66/455,582.05
  6. Step 6: Final answer
    x = 347,206.96

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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.