Home / 862,767.72-1,190,124.54-539,917.20

Finding the Fourth Proportional to 862,767.72, 1,190,124.54 and 539,917.20

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Solution

The fourth proportional to 862,767.72, 1,190,124.54 and 539,917.20 is: 744,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,767.72 : 1,190,124.54 = 539,917.20 : x
  2. Step 2: Convert to fraction form
    862,767.72/1,190,124.54 = 539,917.20/x
  3. Step 3: Cross multiply
    862,767.72x = 1,190,124.54 × 539,917.20
  4. Step 4: Simplify right side
    862,767.72x = 642,568,709,288.09
  5. Step 5: Solve for x
    x = 642,568,709,288.09/862,767.72
  6. Step 6: Final answer
    x = 744,776.02

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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.