Home / 1,017,719.70-1,526,579.55-259,559.70

Finding the Fourth Proportional to 1,017,719.70, 1,526,579.55 and 259,559.70

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Solution

The fourth proportional to 1,017,719.70, 1,526,579.55 and 259,559.70 is: 389,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,719.70 : 1,526,579.55 = 259,559.70 : x
  2. Step 2: Convert to fraction form
    1,017,719.70/1,526,579.55 = 259,559.70/x
  3. Step 3: Cross multiply
    1,017,719.70x = 1,526,579.55 × 259,559.70
  4. Step 4: Simplify right side
    1,017,719.70x = 396,238,530,024.14
  5. Step 5: Solve for x
    x = 396,238,530,024.14/1,017,719.70
  6. Step 6: Final answer
    x = 389,339.55

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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.