Home / 547,341.20-821,201.34-227,665.59

Finding the Fourth Proportional to 547,341.20, 821,201.34 and 227,665.59

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Solution

The fourth proportional to 547,341.20, 821,201.34 and 227,665.59 is: 341,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,341.20 : 821,201.34 = 227,665.59 : x
  2. Step 2: Convert to fraction form
    547,341.20/821,201.34 = 227,665.59/x
  3. Step 3: Cross multiply
    547,341.20x = 821,201.34 × 227,665.59
  4. Step 4: Simplify right side
    547,341.20x = 186,959,284,073.51
  5. Step 5: Solve for x
    x = 186,959,284,073.51/547,341.20
  6. Step 6: Final answer
    x = 341,577.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.