Home / 554,116.40-831,174.60-199,166.30

Finding the Fourth Proportional to 554,116.40, 831,174.60 and 199,166.30

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Solution

The fourth proportional to 554,116.40, 831,174.60 and 199,166.30 is: 298,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,116.40 : 831,174.60 = 199,166.30 : x
  2. Step 2: Convert to fraction form
    554,116.40/831,174.60 = 199,166.30/x
  3. Step 3: Cross multiply
    554,116.40x = 831,174.60 × 199,166.30
  4. Step 4: Simplify right side
    554,116.40x = 165,541,969,735.98
  5. Step 5: Solve for x
    x = 165,541,969,735.98/554,116.40
  6. Step 6: Final answer
    x = 298,749.45

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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.