Home / 940,727.14-1,298,213.13-511,015.78

Finding the Fourth Proportional to 940,727.14, 1,298,213.13 and 511,015.78

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Solution

The fourth proportional to 940,727.14, 1,298,213.13 and 511,015.78 is: 705,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,727.14 : 1,298,213.13 = 511,015.78 : x
  2. Step 2: Convert to fraction form
    940,727.14/1,298,213.13 = 511,015.78/x
  3. Step 3: Cross multiply
    940,727.14x = 1,298,213.13 × 511,015.78
  4. Step 4: Simplify right side
    940,727.14x = 663,407,395,233.19
  5. Step 5: Solve for x
    x = 663,407,395,233.19/940,727.14
  6. Step 6: Final answer
    x = 705,207.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.