Home / 816,199.83-1,224,278.78-217,166.05

Finding the Fourth Proportional to 816,199.83, 1,224,278.78 and 217,166.05

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Solution

The fourth proportional to 816,199.83, 1,224,278.78 and 217,166.05 is: 325,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,199.83 : 1,224,278.78 = 217,166.05 : x
  2. Step 2: Convert to fraction form
    816,199.83/1,224,278.78 = 217,166.05/x
  3. Step 3: Cross multiply
    816,199.83x = 1,224,278.78 × 217,166.05
  4. Step 4: Simplify right side
    816,199.83x = 265,871,786,751.42
  5. Step 5: Solve for x
    x = 265,871,786,751.42/816,199.83
  6. Step 6: Final answer
    x = 325,743.50

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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.