Home / 810,704.20-1,118,772.06-443,182.96

Finding the Fourth Proportional to 810,704.20, 1,118,772.06 and 443,182.96

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Solution

The fourth proportional to 810,704.20, 1,118,772.06 and 443,182.96 is: 611,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,704.20 : 1,118,772.06 = 443,182.96 : x
  2. Step 2: Convert to fraction form
    810,704.20/1,118,772.06 = 443,182.96/x
  3. Step 3: Cross multiply
    810,704.20x = 1,118,772.06 × 443,182.96
  4. Step 4: Simplify right side
    810,704.20x = 495,820,713,116.10
  5. Step 5: Solve for x
    x = 495,820,713,116.10/810,704.20
  6. Step 6: Final answer
    x = 611,592.63

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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.