Home / 816,005.80-1,224,008.70-217,059.40

Finding the Fourth Proportional to 816,005.80, 1,224,008.70 and 217,059.40

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Solution

The fourth proportional to 816,005.80, 1,224,008.70 and 217,059.40 is: 325,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,005.80 : 1,224,008.70 = 217,059.40 : x
  2. Step 2: Convert to fraction form
    816,005.80/1,224,008.70 = 217,059.40/x
  3. Step 3: Cross multiply
    816,005.80x = 1,224,008.70 × 217,059.40
  4. Step 4: Simplify right side
    816,005.80x = 265,682,594,016.78
  5. Step 5: Solve for x
    x = 265,682,594,016.78/816,005.80
  6. Step 6: Final answer
    x = 325,589.10

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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.