Home / 1,219,516.84-1,682,888.54-703,292.50

Finding the Fourth Proportional to 1,219,516.84, 1,682,888.54 and 703,292.50

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Solution

The fourth proportional to 1,219,516.84, 1,682,888.54 and 703,292.50 is: 970,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,516.84 : 1,682,888.54 = 703,292.50 : x
  2. Step 2: Convert to fraction form
    1,219,516.84/1,682,888.54 = 703,292.50/x
  3. Step 3: Cross multiply
    1,219,516.84x = 1,682,888.54 × 703,292.50
  4. Step 4: Simplify right side
    1,219,516.84x = 1,183,562,888,517.95
  5. Step 5: Solve for x
    x = 1,183,562,888,517.95/1,219,516.84
  6. Step 6: Final answer
    x = 970,517.87

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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.