Home / 892,523.21-1,231,377.87-570,419.15

Finding the Fourth Proportional to 892,523.21, 1,231,377.87 and 570,419.15

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Solution

The fourth proportional to 892,523.21, 1,231,377.87 and 570,419.15 is: 786,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,523.21 : 1,231,377.87 = 570,419.15 : x
  2. Step 2: Convert to fraction form
    892,523.21/1,231,377.87 = 570,419.15/x
  3. Step 3: Cross multiply
    892,523.21x = 1,231,377.87 × 570,419.15
  4. Step 4: Simplify right side
    892,523.21x = 702,401,517,934.21
  5. Step 5: Solve for x
    x = 702,401,517,934.21/892,523.21
  6. Step 6: Final answer
    x = 786,984.04

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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.