Home / 816,256.68-1,218,212.49-794,999.04

Finding the Fourth Proportional to 816,256.68, 1,218,212.49 and 794,999.04

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Solution

The fourth proportional to 816,256.68, 1,218,212.49 and 794,999.04 is: 1,186,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,256.68 : 1,218,212.49 = 794,999.04 : x
  2. Step 2: Convert to fraction form
    816,256.68/1,218,212.49 = 794,999.04/x
  3. Step 3: Cross multiply
    816,256.68x = 1,218,212.49 × 794,999.04
  4. Step 4: Simplify right side
    816,256.68x = 968,477,760,066.01
  5. Step 5: Solve for x
    x = 968,477,760,066.01/816,256.68
  6. Step 6: Final answer
    x = 1,186,486.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.