Home / 679,255.05-1,018,820.11-229,924.56

Finding the Fourth Proportional to 679,255.05, 1,018,820.11 and 229,924.56

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Solution

The fourth proportional to 679,255.05, 1,018,820.11 and 229,924.56 is: 344,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,255.05 : 1,018,820.11 = 229,924.56 : x
  2. Step 2: Convert to fraction form
    679,255.05/1,018,820.11 = 229,924.56/x
  3. Step 3: Cross multiply
    679,255.05x = 1,018,820.11 × 229,924.56
  4. Step 4: Simplify right side
    679,255.05x = 234,251,765,510.90
  5. Step 5: Solve for x
    x = 234,251,765,510.90/679,255.05
  6. Step 6: Final answer
    x = 344,865.70

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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.