Home / 515,030.26-772,511.55-177,992.50

Finding the Fourth Proportional to 515,030.26, 772,511.55 and 177,992.50

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Solution

The fourth proportional to 515,030.26, 772,511.55 and 177,992.50 is: 266,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,030.26 : 772,511.55 = 177,992.50 : x
  2. Step 2: Convert to fraction form
    515,030.26/772,511.55 = 177,992.50/x
  3. Step 3: Cross multiply
    515,030.26x = 772,511.55 × 177,992.50
  4. Step 4: Simplify right side
    515,030.26x = 137,501,262,063.38
  5. Step 5: Solve for x
    x = 137,501,262,063.38/515,030.26
  6. Step 6: Final answer
    x = 266,977.06

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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.