Home / 822,067.65-1,134,506.39-459,506.79

Finding the Fourth Proportional to 822,067.65, 1,134,506.39 and 459,506.79

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Solution

The fourth proportional to 822,067.65, 1,134,506.39 and 459,506.79 is: 634,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,067.65 : 1,134,506.39 = 459,506.79 : x
  2. Step 2: Convert to fraction form
    822,067.65/1,134,506.39 = 459,506.79/x
  3. Step 3: Cross multiply
    822,067.65x = 1,134,506.39 × 459,506.79
  4. Step 4: Simplify right side
    822,067.65x = 521,313,387,205.85
  5. Step 5: Solve for x
    x = 521,313,387,205.85/822,067.65
  6. Step 6: Final answer
    x = 634,149.01

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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.