Home / 800,836.38-1,105,278.48-456,673.05

Finding the Fourth Proportional to 800,836.38, 1,105,278.48 and 456,673.05

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Solution

The fourth proportional to 800,836.38, 1,105,278.48 and 456,673.05 is: 630,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,836.38 : 1,105,278.48 = 456,673.05 : x
  2. Step 2: Convert to fraction form
    800,836.38/1,105,278.48 = 456,673.05/x
  3. Step 3: Cross multiply
    800,836.38x = 1,105,278.48 × 456,673.05
  4. Step 4: Simplify right side
    800,836.38x = 504,750,894,560.96
  5. Step 5: Solve for x
    x = 504,750,894,560.96/800,836.38
  6. Step 6: Final answer
    x = 630,279.68

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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.