Home / 1,054,957.96-1,582,436.96-256,234.12

Finding the Fourth Proportional to 1,054,957.96, 1,582,436.96 and 256,234.12

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Solution

The fourth proportional to 1,054,957.96, 1,582,436.96 and 256,234.12 is: 384,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,957.96 : 1,582,436.96 = 256,234.12 : x
  2. Step 2: Convert to fraction form
    1,054,957.96/1,582,436.96 = 256,234.12/x
  3. Step 3: Cross multiply
    1,054,957.96x = 1,582,436.96 × 256,234.12
  4. Step 4: Simplify right side
    1,054,957.96x = 405,474,344,300.60
  5. Step 5: Solve for x
    x = 405,474,344,300.60/1,054,957.96
  6. Step 6: Final answer
    x = 384,351.19

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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.