Home / 822,499.29-1,135,042.61-459,923.85

Finding the Fourth Proportional to 822,499.29, 1,135,042.61 and 459,923.85

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Solution

The fourth proportional to 822,499.29, 1,135,042.61 and 459,923.85 is: 634,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,499.29 : 1,135,042.61 = 459,923.85 : x
  2. Step 2: Convert to fraction form
    822,499.29/1,135,042.61 = 459,923.85/x
  3. Step 3: Cross multiply
    822,499.29x = 1,135,042.61 × 459,923.85
  4. Step 4: Simplify right side
    822,499.29x = 522,033,164,805.63
  5. Step 5: Solve for x
    x = 522,033,164,805.63/822,499.29
  6. Step 6: Final answer
    x = 634,691.33

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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.