Home / 657,518.16-986,333.40-231,016.71

Finding the Fourth Proportional to 657,518.16, 986,333.40 and 231,016.71

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Solution

The fourth proportional to 657,518.16, 986,333.40 and 231,016.71 is: 346,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,518.16 : 986,333.40 = 231,016.71 : x
  2. Step 2: Convert to fraction form
    657,518.16/986,333.40 = 231,016.71/x
  3. Step 3: Cross multiply
    657,518.16x = 986,333.40 × 231,016.71
  4. Step 4: Simplify right side
    657,518.16x = 227,859,497,031.11
  5. Step 5: Solve for x
    x = 227,859,497,031.11/657,518.16
  6. Step 6: Final answer
    x = 346,544.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.