Home / 439,815.33-606,632.18-403,633.64

Finding the Fourth Proportional to 439,815.33, 606,632.18 and 403,633.64

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Solution

The fourth proportional to 439,815.33, 606,632.18 and 403,633.64 is: 556,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,815.33 : 606,632.18 = 403,633.64 : x
  2. Step 2: Convert to fraction form
    439,815.33/606,632.18 = 403,633.64/x
  3. Step 3: Cross multiply
    439,815.33x = 606,632.18 × 403,633.64
  4. Step 4: Simplify right side
    439,815.33x = 244,857,149,903.21
  5. Step 5: Solve for x
    x = 244,857,149,903.21/439,815.33
  6. Step 6: Final answer
    x = 556,727.18

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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.