Home / 454,953.45-682,703.55-188,686.20

Finding the Fourth Proportional to 454,953.45, 682,703.55 and 188,686.20

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Solution

The fourth proportional to 454,953.45, 682,703.55 and 188,686.20 is: 283,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,953.45 : 682,703.55 = 188,686.20 : x
  2. Step 2: Convert to fraction form
    454,953.45/682,703.55 = 188,686.20/x
  3. Step 3: Cross multiply
    454,953.45x = 682,703.55 × 188,686.20
  4. Step 4: Simplify right side
    454,953.45x = 128,816,738,576.01
  5. Step 5: Solve for x
    x = 128,816,738,576.01/454,953.45
  6. Step 6: Final answer
    x = 283,142.68

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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.