Home / 957,967.34-1,321,985.25-522,383.61

Finding the Fourth Proportional to 957,967.34, 1,321,985.25 and 522,383.61

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Solution

The fourth proportional to 957,967.34, 1,321,985.25 and 522,383.61 is: 720,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,967.34 : 1,321,985.25 = 522,383.61 : x
  2. Step 2: Convert to fraction form
    957,967.34/1,321,985.25 = 522,383.61/x
  3. Step 3: Cross multiply
    957,967.34x = 1,321,985.25 × 522,383.61
  4. Step 4: Simplify right side
    957,967.34x = 690,583,427,261.75
  5. Step 5: Solve for x
    x = 690,583,427,261.75/957,967.34
  6. Step 6: Final answer
    x = 720,884.11

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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.