Home / 554,400.20-831,242.76-217,474.90

Finding the Fourth Proportional to 554,400.20, 831,242.76 and 217,474.90

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Solution

The fourth proportional to 554,400.20, 831,242.76 and 217,474.90 is: 326,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,400.20 : 831,242.76 = 217,474.90 : x
  2. Step 2: Convert to fraction form
    554,400.20/831,242.76 = 217,474.90/x
  3. Step 3: Cross multiply
    554,400.20x = 831,242.76 × 217,474.90
  4. Step 4: Simplify right side
    554,400.20x = 180,774,433,213.09
  5. Step 5: Solve for x
    x = 180,774,433,213.09/554,400.20
  6. Step 6: Final answer
    x = 326,072.09

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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.