Home / 454,966.20-682,011.90-353,708.10

Finding the Fourth Proportional to 454,966.20, 682,011.90 and 353,708.10

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Solution

The fourth proportional to 454,966.20, 682,011.90 and 353,708.10 is: 530,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,966.20 : 682,011.90 = 353,708.10 : x
  2. Step 2: Convert to fraction form
    454,966.20/682,011.90 = 353,708.10/x
  3. Step 3: Cross multiply
    454,966.20x = 682,011.90 × 353,708.10
  4. Step 4: Simplify right side
    454,966.20x = 241,233,133,326.39
  5. Step 5: Solve for x
    x = 241,233,133,326.39/454,966.20
  6. Step 6: Final answer
    x = 530,222.10

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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.