Home / 821,667.02-1,231,684.05-571,824.14

Finding the Fourth Proportional to 821,667.02, 1,231,684.05 and 571,824.14

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Solution

The fourth proportional to 821,667.02, 1,231,684.05 and 571,824.14 is: 857,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,667.02 : 1,231,684.05 = 571,824.14 : x
  2. Step 2: Convert to fraction form
    821,667.02/1,231,684.05 = 571,824.14/x
  3. Step 3: Cross multiply
    821,667.02x = 1,231,684.05 × 571,824.14
  4. Step 4: Simplify right side
    821,667.02x = 704,306,672,642.97
  5. Step 5: Solve for x
    x = 704,306,672,642.97/821,667.02
  6. Step 6: Final answer
    x = 857,168.00

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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.