Home / 929,256.26-1,393,958.89-353,155.53

Finding the Fourth Proportional to 929,256.26, 1,393,958.89 and 353,155.53

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Solution

The fourth proportional to 929,256.26, 1,393,958.89 and 353,155.53 is: 529,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,256.26 : 1,393,958.89 = 353,155.53 : x
  2. Step 2: Convert to fraction form
    929,256.26/1,393,958.89 = 353,155.53/x
  3. Step 3: Cross multiply
    929,256.26x = 1,393,958.89 × 353,155.53
  4. Step 4: Simplify right side
    929,256.26x = 492,284,290,596.16
  5. Step 5: Solve for x
    x = 492,284,290,596.16/929,256.26
  6. Step 6: Final answer
    x = 529,761.61

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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.