Home / 836,418.48-1,154,268-454,451.64

Finding the Fourth Proportional to 836,418.48, 1,154,268 and 454,451.64

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Solution

The fourth proportional to 836,418.48, 1,154,268 and 454,451.64 is: 627,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,418.48 : 1,154,268 = 454,451.64 : x
  2. Step 2: Convert to fraction form
    836,418.48/1,154,268 = 454,451.64/x
  3. Step 3: Cross multiply
    836,418.48x = 1,154,268 × 454,451.64
  4. Step 4: Simplify right side
    836,418.48x = 524,558,985,599.52
  5. Step 5: Solve for x
    x = 524,558,985,599.52/836,418.48
  6. Step 6: Final answer
    x = 627,148.97

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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.