Home / 821,080.54-1,133,096.64-458,508.70

Finding the Fourth Proportional to 821,080.54, 1,133,096.64 and 458,508.70

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Solution

The fourth proportional to 821,080.54, 1,133,096.64 and 458,508.70 is: 632,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,080.54 : 1,133,096.64 = 458,508.70 : x
  2. Step 2: Convert to fraction form
    821,080.54/1,133,096.64 = 458,508.70/x
  3. Step 3: Cross multiply
    821,080.54x = 1,133,096.64 × 458,508.70
  4. Step 4: Simplify right side
    821,080.54x = 519,534,667,380.77
  5. Step 5: Solve for x
    x = 519,534,667,380.77/821,080.54
  6. Step 6: Final answer
    x = 632,745.07

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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.