Home / 863,960.80-1,294,890.54-611,314.09

Finding the Fourth Proportional to 863,960.80, 1,294,890.54 and 611,314.09

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Solution

The fourth proportional to 863,960.80, 1,294,890.54 and 611,314.09 is: 916,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,960.80 : 1,294,890.54 = 611,314.09 : x
  2. Step 2: Convert to fraction form
    863,960.80/1,294,890.54 = 611,314.09/x
  3. Step 3: Cross multiply
    863,960.80x = 1,294,890.54 × 611,314.09
  4. Step 4: Simplify right side
    863,960.80x = 791,584,832,109.71
  5. Step 5: Solve for x
    x = 791,584,832,109.71/863,960.80
  6. Step 6: Final answer
    x = 916,227.72

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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.