Home / 810,169.02-1,216,016.28-411,096.20

Finding the Fourth Proportional to 810,169.02, 1,216,016.28 and 411,096.20

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Solution

The fourth proportional to 810,169.02, 1,216,016.28 and 411,096.20 is: 617,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,169.02 : 1,216,016.28 = 411,096.20 : x
  2. Step 2: Convert to fraction form
    810,169.02/1,216,016.28 = 411,096.20/x
  3. Step 3: Cross multiply
    810,169.02x = 1,216,016.28 × 411,096.20
  4. Step 4: Simplify right side
    810,169.02x = 499,899,665,766.06
  5. Step 5: Solve for x
    x = 499,899,665,766.06/810,169.02
  6. Step 6: Final answer
    x = 617,031.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.