Home / 657,849.25-907,853.97-403,151.23

Finding the Fourth Proportional to 657,849.25, 907,853.97 and 403,151.23

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Solution

The fourth proportional to 657,849.25, 907,853.97 and 403,151.23 is: 556,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,849.25 : 907,853.97 = 403,151.23 : x
  2. Step 2: Convert to fraction form
    657,849.25/907,853.97 = 403,151.23/x
  3. Step 3: Cross multiply
    657,849.25x = 907,853.97 × 403,151.23
  4. Step 4: Simplify right side
    657,849.25x = 366,002,444,665.88
  5. Step 5: Solve for x
    x = 366,002,444,665.88/657,849.25
  6. Step 6: Final answer
    x = 556,362.18

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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.