Home / 1,017,724.20-1,526,586.30-259,564.20

Finding the Fourth Proportional to 1,017,724.20, 1,526,586.30 and 259,564.20

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Solution

The fourth proportional to 1,017,724.20, 1,526,586.30 and 259,564.20 is: 389,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,724.20 : 1,526,586.30 = 259,564.20 : x
  2. Step 2: Convert to fraction form
    1,017,724.20/1,526,586.30 = 259,564.20/x
  3. Step 3: Cross multiply
    1,017,724.20x = 1,526,586.30 × 259,564.20
  4. Step 4: Simplify right side
    1,017,724.20x = 396,247,151,690.46
  5. Step 5: Solve for x
    x = 396,247,151,690.46/1,017,724.20
  6. Step 6: Final answer
    x = 389,346.30

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Half scale
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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.