Home / 1,054,853.66-1,582,280.49-256,129.83

Finding the Fourth Proportional to 1,054,853.66, 1,582,280.49 and 256,129.83

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Solution

The fourth proportional to 1,054,853.66, 1,582,280.49 and 256,129.83 is: 384,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,853.66 : 1,582,280.49 = 256,129.83 : x
  2. Step 2: Convert to fraction form
    1,054,853.66/1,582,280.49 = 256,129.83/x
  3. Step 3: Cross multiply
    1,054,853.66x = 1,582,280.49 × 256,129.83
  4. Step 4: Simplify right side
    1,054,853.66x = 405,269,232,916.02
  5. Step 5: Solve for x
    x = 405,269,232,916.02/1,054,853.66
  6. Step 6: Final answer
    x = 384,194.75

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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.