Home / 1,057,550.56-1,586,325.80-309,596.56

Finding the Fourth Proportional to 1,057,550.56, 1,586,325.80 and 309,596.56

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Solution

The fourth proportional to 1,057,550.56, 1,586,325.80 and 309,596.56 is: 464,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,550.56 : 1,586,325.80 = 309,596.56 : x
  2. Step 2: Convert to fraction form
    1,057,550.56/1,586,325.80 = 309,596.56/x
  3. Step 3: Cross multiply
    1,057,550.56x = 1,586,325.80 × 309,596.56
  4. Step 4: Simplify right side
    1,057,550.56x = 491,121,010,719.25
  5. Step 5: Solve for x
    x = 491,121,010,719.25/1,057,550.56
  6. Step 6: Final answer
    x = 464,394.83

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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.