Home / 836,820.99-1,154,814.57-454,846.86

Finding the Fourth Proportional to 836,820.99, 1,154,814.57 and 454,846.86

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Solution

The fourth proportional to 836,820.99, 1,154,814.57 and 454,846.86 is: 627,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,820.99 : 1,154,814.57 = 454,846.86 : x
  2. Step 2: Convert to fraction form
    836,820.99/1,154,814.57 = 454,846.86/x
  3. Step 3: Cross multiply
    836,820.99x = 1,154,814.57 × 454,846.86
  4. Step 4: Simplify right side
    836,820.99x = 525,263,781,046.75
  5. Step 5: Solve for x
    x = 525,263,781,046.75/836,820.99
  6. Step 6: Final answer
    x = 627,689.54

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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.