Home / 440,198.20-607,776.78-325,502.20

Finding the Fourth Proportional to 440,198.20, 607,776.78 and 325,502.20

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Solution

The fourth proportional to 440,198.20, 607,776.78 and 325,502.20 is: 449,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,198.20 : 607,776.78 = 325,502.20 : x
  2. Step 2: Convert to fraction form
    440,198.20/607,776.78 = 325,502.20/x
  3. Step 3: Cross multiply
    440,198.20x = 607,776.78 × 325,502.20
  4. Step 4: Simplify right side
    440,198.20x = 197,832,678,998.92
  5. Step 5: Solve for x
    x = 197,832,678,998.92/440,198.20
  6. Step 6: Final answer
    x = 449,417.28

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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.