Home / 912,234.56-1,259,083.52-530,481.56

Finding the Fourth Proportional to 912,234.56, 1,259,083.52 and 530,481.56

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Solution

The fourth proportional to 912,234.56, 1,259,083.52 and 530,481.56 is: 732,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,234.56 : 1,259,083.52 = 530,481.56 : x
  2. Step 2: Convert to fraction form
    912,234.56/1,259,083.52 = 530,481.56/x
  3. Step 3: Cross multiply
    912,234.56x = 1,259,083.52 × 530,481.56
  4. Step 4: Simplify right side
    912,234.56x = 667,920,589,859.89
  5. Step 5: Solve for x
    x = 667,920,589,859.89/912,234.56
  6. Step 6: Final answer
    x = 732,180.76

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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.