Home / 703,263.40-1,054,995.62-216,986.72

Finding the Fourth Proportional to 703,263.40, 1,054,995.62 and 216,986.72

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Solution

The fourth proportional to 703,263.40, 1,054,995.62 and 216,986.72 is: 325,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,263.40 : 1,054,995.62 = 216,986.72 : x
  2. Step 2: Convert to fraction form
    703,263.40/1,054,995.62 = 216,986.72/x
  3. Step 3: Cross multiply
    703,263.40x = 1,054,995.62 × 216,986.72
  4. Step 4: Simplify right side
    703,263.40x = 228,920,039,198.17
  5. Step 5: Solve for x
    x = 228,920,039,198.17/703,263.40
  6. Step 6: Final answer
    x = 325,511.09

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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.