Home / 554,157.92-831,236.84-254,890.20

Finding the Fourth Proportional to 554,157.92, 831,236.84 and 254,890.20

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Solution

The fourth proportional to 554,157.92, 831,236.84 and 254,890.20 is: 382,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,157.92 : 831,236.84 = 254,890.20 : x
  2. Step 2: Convert to fraction form
    554,157.92/831,236.84 = 254,890.20/x
  3. Step 3: Cross multiply
    554,157.92x = 831,236.84 × 254,890.20
  4. Step 4: Simplify right side
    554,157.92x = 211,874,123,120.52
  5. Step 5: Solve for x
    x = 211,874,123,120.52/554,157.92
  6. Step 6: Final answer
    x = 382,335.28

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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.