Home / 855,581.57-1,284,633.96-477,241.50

Finding the Fourth Proportional to 855,581.57, 1,284,633.96 and 477,241.50

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Solution

The fourth proportional to 855,581.57, 1,284,633.96 and 477,241.50 is: 716,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,581.57 : 1,284,633.96 = 477,241.50 : x
  2. Step 2: Convert to fraction form
    855,581.57/1,284,633.96 = 477,241.50/x
  3. Step 3: Cross multiply
    855,581.57x = 1,284,633.96 × 477,241.50
  4. Step 4: Simplify right side
    855,581.57x = 613,080,635,635.13
  5. Step 5: Solve for x
    x = 613,080,635,635.13/855,581.57
  6. Step 6: Final answer
    x = 716,565.97

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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.