Home / 1,206,112.82-1,664,454.64-662,297.50

Finding the Fourth Proportional to 1,206,112.82, 1,664,454.64 and 662,297.50

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Solution

The fourth proportional to 1,206,112.82, 1,664,454.64 and 662,297.50 is: 913,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,112.82 : 1,664,454.64 = 662,297.50 : x
  2. Step 2: Convert to fraction form
    1,206,112.82/1,664,454.64 = 662,297.50/x
  3. Step 3: Cross multiply
    1,206,112.82x = 1,664,454.64 × 662,297.50
  4. Step 4: Simplify right side
    1,206,112.82x = 1,102,364,146,935.40
  5. Step 5: Solve for x
    x = 1,102,364,146,935.40/1,206,112.82
  6. Step 6: Final answer
    x = 913,980.95

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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.