Home / 735,749.88-1,103,391.52-314,912.76

Finding the Fourth Proportional to 735,749.88, 1,103,391.52 and 314,912.76

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Solution

The fourth proportional to 735,749.88, 1,103,391.52 and 314,912.76 is: 472,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,749.88 : 1,103,391.52 = 314,912.76 : x
  2. Step 2: Convert to fraction form
    735,749.88/1,103,391.52 = 314,912.76/x
  3. Step 3: Cross multiply
    735,749.88x = 1,103,391.52 × 314,912.76
  4. Step 4: Simplify right side
    735,749.88x = 347,472,068,923.80
  5. Step 5: Solve for x
    x = 347,472,068,923.80/735,749.88
  6. Step 6: Final answer
    x = 472,269.28

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1.5x scale

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.