Home / 816,911.69-1,127,575.54-544,978.92

Finding the Fourth Proportional to 816,911.69, 1,127,575.54 and 544,978.92

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Solution

The fourth proportional to 816,911.69, 1,127,575.54 and 544,978.92 is: 752,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,911.69 : 1,127,575.54 = 544,978.92 : x
  2. Step 2: Convert to fraction form
    816,911.69/1,127,575.54 = 544,978.92/x
  3. Step 3: Cross multiply
    816,911.69x = 1,127,575.54 × 544,978.92
  4. Step 4: Simplify right side
    816,911.69x = 614,504,895,403.33
  5. Step 5: Solve for x
    x = 614,504,895,403.33/816,911.69
  6. Step 6: Final answer
    x = 752,229.28

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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.