Home / 905,803.18-1,358,673.46-231,890.26

Finding the Fourth Proportional to 905,803.18, 1,358,673.46 and 231,890.26

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Solution

The fourth proportional to 905,803.18, 1,358,673.46 and 231,890.26 is: 347,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,803.18 : 1,358,673.46 = 231,890.26 : x
  2. Step 2: Convert to fraction form
    905,803.18/1,358,673.46 = 231,890.26/x
  3. Step 3: Cross multiply
    905,803.18x = 1,358,673.46 × 231,890.26
  4. Step 4: Simplify right side
    905,803.18x = 315,063,141,894.50
  5. Step 5: Solve for x
    x = 315,063,141,894.50/905,803.18
  6. Step 6: Final answer
    x = 347,827.37

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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.