Home / 821,842.56-1,134,058.24-563,940.64

Finding the Fourth Proportional to 821,842.56, 1,134,058.24 and 563,940.64

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Solution

The fourth proportional to 821,842.56, 1,134,058.24 and 563,940.64 is: 778,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,842.56 : 1,134,058.24 = 563,940.64 : x
  2. Step 2: Convert to fraction form
    821,842.56/1,134,058.24 = 563,940.64/x
  3. Step 3: Cross multiply
    821,842.56x = 1,134,058.24 × 563,940.64
  4. Step 4: Simplify right side
    821,842.56x = 639,541,529,662.87
  5. Step 5: Solve for x
    x = 639,541,529,662.87/821,842.56
  6. Step 6: Final answer
    x = 778,180.11

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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.