Home / 628,231.29-942,347.07-439,061.16

Finding the Fourth Proportional to 628,231.29, 942,347.07 and 439,061.16

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Solution

The fourth proportional to 628,231.29, 942,347.07 and 439,061.16 is: 658,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,231.29 : 942,347.07 = 439,061.16 : x
  2. Step 2: Convert to fraction form
    628,231.29/942,347.07 = 439,061.16/x
  3. Step 3: Cross multiply
    628,231.29x = 942,347.07 × 439,061.16
  4. Step 4: Simplify right side
    628,231.29x = 413,747,997,676.80
  5. Step 5: Solve for x
    x = 413,747,997,676.80/628,231.29
  6. Step 6: Final answer
    x = 658,591.83

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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.