Home / 519,610.26-779,327.55-145,547.22

Finding the Fourth Proportional to 519,610.26, 779,327.55 and 145,547.22

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Solution

The fourth proportional to 519,610.26, 779,327.55 and 145,547.22 is: 218,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,610.26 : 779,327.55 = 145,547.22 : x
  2. Step 2: Convert to fraction form
    519,610.26/779,327.55 = 145,547.22/x
  3. Step 3: Cross multiply
    519,610.26x = 779,327.55 × 145,547.22
  4. Step 4: Simplify right side
    519,610.26x = 113,428,958,371.91
  5. Step 5: Solve for x
    x = 113,428,958,371.91/519,610.26
  6. Step 6: Final answer
    x = 218,296.23

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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.