Home / 829,610.25-1,144,884.29-467,047.86

Finding the Fourth Proportional to 829,610.25, 1,144,884.29 and 467,047.86

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Solution

The fourth proportional to 829,610.25, 1,144,884.29 and 467,047.86 is: 644,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,610.25 : 1,144,884.29 = 467,047.86 : x
  2. Step 2: Convert to fraction form
    829,610.25/1,144,884.29 = 467,047.86/x
  3. Step 3: Cross multiply
    829,610.25x = 1,144,884.29 × 467,047.86
  4. Step 4: Simplify right side
    829,610.25x = 534,715,749,532.46
  5. Step 5: Solve for x
    x = 534,715,749,532.46/829,610.25
  6. Step 6: Final answer
    x = 644,538.51

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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.