Home / 801,513.32-1,106,091.90-438,939.69

Finding the Fourth Proportional to 801,513.32, 1,106,091.90 and 438,939.69

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Solution

The fourth proportional to 801,513.32, 1,106,091.90 and 438,939.69 is: 605,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,513.32 : 1,106,091.90 = 438,939.69 : x
  2. Step 2: Convert to fraction form
    801,513.32/1,106,091.90 = 438,939.69/x
  3. Step 3: Cross multiply
    801,513.32x = 1,106,091.90 × 438,939.69
  4. Step 4: Simplify right side
    801,513.32x = 485,507,635,697.51
  5. Step 5: Solve for x
    x = 485,507,635,697.51/801,513.32
  6. Step 6: Final answer
    x = 605,738.70

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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.