Home / 809,489.10-1,214,233.65-652,025.10

Finding the Fourth Proportional to 809,489.10, 1,214,233.65 and 652,025.10

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Solution

The fourth proportional to 809,489.10, 1,214,233.65 and 652,025.10 is: 978,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,489.10 : 1,214,233.65 = 652,025.10 : x
  2. Step 2: Convert to fraction form
    809,489.10/1,214,233.65 = 652,025.10/x
  3. Step 3: Cross multiply
    809,489.10x = 1,214,233.65 × 652,025.10
  4. Step 4: Simplify right side
    809,489.10x = 791,710,817,064.62
  5. Step 5: Solve for x
    x = 791,710,817,064.62/809,489.10
  6. Step 6: Final answer
    x = 978,037.65

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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.