Home / 985,137.66-1,357,935.30-726,184.44

Finding the Fourth Proportional to 985,137.66, 1,357,935.30 and 726,184.44

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Solution

The fourth proportional to 985,137.66, 1,357,935.30 and 726,184.44 is: 1,000,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,137.66 : 1,357,935.30 = 726,184.44 : x
  2. Step 2: Convert to fraction form
    985,137.66/1,357,935.30 = 726,184.44/x
  3. Step 3: Cross multiply
    985,137.66x = 1,357,935.30 × 726,184.44
  4. Step 4: Simplify right side
    985,137.66x = 986,111,485,386.73
  5. Step 5: Solve for x
    x = 986,111,485,386.73/985,137.66
  6. Step 6: Final answer
    x = 1,000,988.52

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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.