Home / 657,983.25-908,018.10-356,177.25

Finding the Fourth Proportional to 657,983.25, 908,018.10 and 356,177.25

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Solution

The fourth proportional to 657,983.25, 908,018.10 and 356,177.25 is: 491,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,983.25 : 908,018.10 = 356,177.25 : x
  2. Step 2: Convert to fraction form
    657,983.25/908,018.10 = 356,177.25/x
  3. Step 3: Cross multiply
    657,983.25x = 908,018.10 × 356,177.25
  4. Step 4: Simplify right side
    657,983.25x = 323,415,389,808.23
  5. Step 5: Solve for x
    x = 323,415,389,808.23/657,983.25
  6. Step 6: Final answer
    x = 491,525.26

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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.