Home / 455,035.69-627,948.51-251,086.46

Finding the Fourth Proportional to 455,035.69, 627,948.51 and 251,086.46

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Solution

The fourth proportional to 455,035.69, 627,948.51 and 251,086.46 is: 346,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,035.69 : 627,948.51 = 251,086.46 : x
  2. Step 2: Convert to fraction form
    455,035.69/627,948.51 = 251,086.46/x
  3. Step 3: Cross multiply
    455,035.69x = 627,948.51 × 251,086.46
  4. Step 4: Simplify right side
    455,035.69x = 157,669,365,769.22
  5. Step 5: Solve for x
    x = 157,669,365,769.22/455,035.69
  6. Step 6: Final answer
    x = 346,498.90

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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.