Home / 657,826.34-987,133.16-283,849.34

Finding the Fourth Proportional to 657,826.34, 987,133.16 and 283,849.34

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Solution

The fourth proportional to 657,826.34, 987,133.16 and 283,849.34 is: 425,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,826.34 : 987,133.16 = 283,849.34 : x
  2. Step 2: Convert to fraction form
    657,826.34/987,133.16 = 283,849.34/x
  3. Step 3: Cross multiply
    657,826.34x = 987,133.16 × 283,849.34
  4. Step 4: Simplify right side
    657,826.34x = 280,197,099,135.57
  5. Step 5: Solve for x
    x = 280,197,099,135.57/657,826.34
  6. Step 6: Final answer
    x = 425,943.87

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1.5x scale

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.