Home / 821,383.08-1,133,396.60-458,760.66

Finding the Fourth Proportional to 821,383.08, 1,133,396.60 and 458,760.66

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Solution

The fourth proportional to 821,383.08, 1,133,396.60 and 458,760.66 is: 633,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,383.08 : 1,133,396.60 = 458,760.66 : x
  2. Step 2: Convert to fraction form
    821,383.08/1,133,396.60 = 458,760.66/x
  3. Step 3: Cross multiply
    821,383.08x = 1,133,396.60 × 458,760.66
  4. Step 4: Simplify right side
    821,383.08x = 519,957,769,963.95
  5. Step 5: Solve for x
    x = 519,957,769,963.95/821,383.08
  6. Step 6: Final answer
    x = 633,027.13

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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.