Home / 736,980.57-1,105,458.48-331,947.49

Finding the Fourth Proportional to 736,980.57, 1,105,458.48 and 331,947.49

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Solution

The fourth proportional to 736,980.57, 1,105,458.48 and 331,947.49 is: 497,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,980.57 : 1,105,458.48 = 331,947.49 : x
  2. Step 2: Convert to fraction form
    736,980.57/1,105,458.48 = 331,947.49/x
  3. Step 3: Cross multiply
    736,980.57x = 1,105,458.48 × 331,947.49
  4. Step 4: Simplify right side
    736,980.57x = 366,954,167,735.22
  5. Step 5: Solve for x
    x = 366,954,167,735.22/736,980.57
  6. Step 6: Final answer
    x = 497,915.66

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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.