Home / 657,105.71-907,216.37-503,849.48

Finding the Fourth Proportional to 657,105.71, 907,216.37 and 503,849.48

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Solution

The fourth proportional to 657,105.71, 907,216.37 and 503,849.48 is: 695,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,105.71 : 907,216.37 = 503,849.48 : x
  2. Step 2: Convert to fraction form
    657,105.71/907,216.37 = 503,849.48/x
  3. Step 3: Cross multiply
    657,105.71x = 907,216.37 × 503,849.48
  4. Step 4: Simplify right side
    657,105.71x = 457,100,489,216.66
  5. Step 5: Solve for x
    x = 457,100,489,216.66/657,105.71
  6. Step 6: Final answer
    x = 695,627.03

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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.