Home / 554,302.60-831,453.90-199,328.20

Finding the Fourth Proportional to 554,302.60, 831,453.90 and 199,328.20

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Solution

The fourth proportional to 554,302.60, 831,453.90 and 199,328.20 is: 298,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,302.60 : 831,453.90 = 199,328.20 : x
  2. Step 2: Convert to fraction form
    554,302.60/831,453.90 = 199,328.20/x
  3. Step 3: Cross multiply
    554,302.60x = 831,453.90 × 199,328.20
  4. Step 4: Simplify right side
    554,302.60x = 165,732,209,269.98
  5. Step 5: Solve for x
    x = 165,732,209,269.98/554,302.60
  6. Step 6: Final answer
    x = 298,992.30

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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.