Home / 863,150.36-1,191,152.60-500,789.98

Finding the Fourth Proportional to 863,150.36, 1,191,152.60 and 500,789.98

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Solution

The fourth proportional to 863,150.36, 1,191,152.60 and 500,789.98 is: 691,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,150.36 : 1,191,152.60 = 500,789.98 : x
  2. Step 2: Convert to fraction form
    863,150.36/1,191,152.60 = 500,789.98/x
  3. Step 3: Cross multiply
    863,150.36x = 1,191,152.60 × 500,789.98
  4. Step 4: Simplify right side
    863,150.36x = 596,517,286,730.95
  5. Step 5: Solve for x
    x = 596,517,286,730.95/863,150.36
  6. Step 6: Final answer
    x = 691,093.13

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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.