Home / 552,335.24-762,133.77-310,603.43

Finding the Fourth Proportional to 552,335.24, 762,133.77 and 310,603.43

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Solution

The fourth proportional to 552,335.24, 762,133.77 and 310,603.43 is: 428,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,335.24 : 762,133.77 = 310,603.43 : x
  2. Step 2: Convert to fraction form
    552,335.24/762,133.77 = 310,603.43/x
  3. Step 3: Cross multiply
    552,335.24x = 762,133.77 × 310,603.43
  4. Step 4: Simplify right side
    552,335.24x = 236,721,359,270.16
  5. Step 5: Solve for x
    x = 236,721,359,270.16/552,335.24
  6. Step 6: Final answer
    x = 428,582.76

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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.