Home / 860,896.92-1,187,716.86-538,484.52

Finding the Fourth Proportional to 860,896.92, 1,187,716.86 and 538,484.52

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Solution

The fourth proportional to 860,896.92, 1,187,716.86 and 538,484.52 is: 742,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,896.92 : 1,187,716.86 = 538,484.52 : x
  2. Step 2: Convert to fraction form
    860,896.92/1,187,716.86 = 538,484.52/x
  3. Step 3: Cross multiply
    860,896.92x = 1,187,716.86 × 538,484.52
  4. Step 4: Simplify right side
    860,896.92x = 639,567,143,253.01
  5. Step 5: Solve for x
    x = 639,567,143,253.01/860,896.92
  6. Step 6: Final answer
    x = 742,907.92

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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.