Home / 679,461.66-1,019,192.70-199,689.44

Finding the Fourth Proportional to 679,461.66, 1,019,192.70 and 199,689.44

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Solution

The fourth proportional to 679,461.66, 1,019,192.70 and 199,689.44 is: 299,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,461.66 : 1,019,192.70 = 199,689.44 : x
  2. Step 2: Convert to fraction form
    679,461.66/1,019,192.70 = 199,689.44/x
  3. Step 3: Cross multiply
    679,461.66x = 1,019,192.70 × 199,689.44
  4. Step 4: Simplify right side
    679,461.66x = 203,522,022,811.91
  5. Step 5: Solve for x
    x = 203,522,022,811.91/679,461.66
  6. Step 6: Final answer
    x = 299,534.23

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Half scale
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Double scale
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Similar ratio
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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.