Home / 828,238.30-1,243,669.65-605,164.30

Finding the Fourth Proportional to 828,238.30, 1,243,669.65 and 605,164.30

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Solution

The fourth proportional to 828,238.30, 1,243,669.65 and 605,164.30 is: 908,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,238.30 : 1,243,669.65 = 605,164.30 : x
  2. Step 2: Convert to fraction form
    828,238.30/1,243,669.65 = 605,164.30/x
  3. Step 3: Cross multiply
    828,238.30x = 1,243,669.65 × 605,164.30
  4. Step 4: Simplify right side
    828,238.30x = 752,624,473,173.50
  5. Step 5: Solve for x
    x = 752,624,473,173.50/828,238.30
  6. Step 6: Final answer
    x = 908,705.23

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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.