Home / 657,546.17-986,631.27-455,453.03

Finding the Fourth Proportional to 657,546.17, 986,631.27 and 455,453.03

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Solution

The fourth proportional to 657,546.17, 986,631.27 and 455,453.03 is: 683,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,546.17 : 986,631.27 = 455,453.03 : x
  2. Step 2: Convert to fraction form
    657,546.17/986,631.27 = 455,453.03/x
  3. Step 3: Cross multiply
    657,546.17x = 986,631.27 × 455,453.03
  4. Step 4: Simplify right side
    657,546.17x = 449,364,201,414.25
  5. Step 5: Solve for x
    x = 449,364,201,414.25/657,546.17
  6. Step 6: Final answer
    x = 683,395.66

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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.