Home / 657,836.82-907,814.50-356,030.82

Finding the Fourth Proportional to 657,836.82, 907,814.50 and 356,030.82

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Solution

The fourth proportional to 657,836.82, 907,814.50 and 356,030.82 is: 491,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,836.82 : 907,814.50 = 356,030.82 : x
  2. Step 2: Convert to fraction form
    657,836.82/907,814.50 = 356,030.82/x
  3. Step 3: Cross multiply
    657,836.82x = 907,814.50 × 356,030.82
  4. Step 4: Simplify right side
    657,836.82x = 323,209,939,952.81
  5. Step 5: Solve for x
    x = 323,209,939,952.81/657,836.82
  6. Step 6: Final answer
    x = 491,322.36

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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.