Home / 501,335.22-691,997.49-322,487.22

Finding the Fourth Proportional to 501,335.22, 691,997.49 and 322,487.22

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Solution

The fourth proportional to 501,335.22, 691,997.49 and 322,487.22 is: 445,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,335.22 : 691,997.49 = 322,487.22 : x
  2. Step 2: Convert to fraction form
    501,335.22/691,997.49 = 322,487.22/x
  3. Step 3: Cross multiply
    501,335.22x = 691,997.49 × 322,487.22
  4. Step 4: Simplify right side
    501,335.22x = 223,160,346,797.08
  5. Step 5: Solve for x
    x = 223,160,346,797.08/501,335.22
  6. Step 6: Final answer
    x = 445,132.00

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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.