Home / 816,119.04-1,224,176.58-217,080.24

Finding the Fourth Proportional to 816,119.04, 1,224,176.58 and 217,080.24

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Solution

The fourth proportional to 816,119.04, 1,224,176.58 and 217,080.24 is: 325,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,119.04 : 1,224,176.58 = 217,080.24 : x
  2. Step 2: Convert to fraction form
    816,119.04/1,224,176.58 = 217,080.24/x
  3. Step 3: Cross multiply
    816,119.04x = 1,224,176.58 × 217,080.24
  4. Step 4: Simplify right side
    816,119.04x = 265,744,545,788.78
  5. Step 5: Solve for x
    x = 265,744,545,788.78/816,119.04
  6. Step 6: Final answer
    x = 325,619.83

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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.