Home / 941,781.35-1,412,640.27-409,302.42

Finding the Fourth Proportional to 941,781.35, 1,412,640.27 and 409,302.42

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Solution

The fourth proportional to 941,781.35, 1,412,640.27 and 409,302.42 is: 613,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,781.35 : 1,412,640.27 = 409,302.42 : x
  2. Step 2: Convert to fraction form
    941,781.35/1,412,640.27 = 409,302.42/x
  3. Step 3: Cross multiply
    941,781.35x = 1,412,640.27 × 409,302.42
  4. Step 4: Simplify right side
    941,781.35x = 578,197,081,100.45
  5. Step 5: Solve for x
    x = 578,197,081,100.45/941,781.35
  6. Step 6: Final answer
    x = 613,939.83

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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.