Home / 554,539.20-831,808.80-273,998.40

Finding the Fourth Proportional to 554,539.20, 831,808.80 and 273,998.40

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Solution

The fourth proportional to 554,539.20, 831,808.80 and 273,998.40 is: 410,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,539.20 : 831,808.80 = 273,998.40 : x
  2. Step 2: Convert to fraction form
    554,539.20/831,808.80 = 273,998.40/x
  3. Step 3: Cross multiply
    554,539.20x = 831,808.80 × 273,998.40
  4. Step 4: Simplify right side
    554,539.20x = 227,914,280,305.92
  5. Step 5: Solve for x
    x = 227,914,280,305.92/554,539.20
  6. Step 6: Final answer
    x = 410,997.60

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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.