Home / 810,700.46-1,118,766.88-443,179.20

Finding the Fourth Proportional to 810,700.46, 1,118,766.88 and 443,179.20

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Solution

The fourth proportional to 810,700.46, 1,118,766.88 and 443,179.20 is: 611,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,700.46 : 1,118,766.88 = 443,179.20 : x
  2. Step 2: Convert to fraction form
    810,700.46/1,118,766.88 = 443,179.20/x
  3. Step 3: Cross multiply
    810,700.46x = 1,118,766.88 × 443,179.20
  4. Step 4: Simplify right side
    810,700.46x = 495,814,210,864.90
  5. Step 5: Solve for x
    x = 495,814,210,864.90/810,700.46
  6. Step 6: Final answer
    x = 611,587.43

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Double scale
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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.