Home / 567,265.24-782,822.10-312,616.72

Finding the Fourth Proportional to 567,265.24, 782,822.10 and 312,616.72

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Solution

The fourth proportional to 567,265.24, 782,822.10 and 312,616.72 is: 431,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,265.24 : 782,822.10 = 312,616.72 : x
  2. Step 2: Convert to fraction form
    567,265.24/782,822.10 = 312,616.72/x
  3. Step 3: Cross multiply
    567,265.24x = 782,822.10 × 312,616.72
  4. Step 4: Simplify right side
    567,265.24x = 244,723,277,245.51
  5. Step 5: Solve for x
    x = 244,723,277,245.51/567,265.24
  6. Step 6: Final answer
    x = 431,408.91

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1.5x scale

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.