Home / 968,187.80-1,336,116.33-538,468.12

Finding the Fourth Proportional to 968,187.80, 1,336,116.33 and 538,468.12

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Solution

The fourth proportional to 968,187.80, 1,336,116.33 and 538,468.12 is: 743,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,187.80 : 1,336,116.33 = 538,468.12 : x
  2. Step 2: Convert to fraction form
    968,187.80/1,336,116.33 = 538,468.12/x
  3. Step 3: Cross multiply
    968,187.80x = 1,336,116.33 × 538,468.12
  4. Step 4: Simplify right side
    968,187.80x = 719,456,041,635.82
  5. Step 5: Solve for x
    x = 719,456,041,635.82/968,187.80
  6. Step 6: Final answer
    x = 743,095.55

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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.