Home / 715,818.14-1,073,671.37-416,107.55

Finding the Fourth Proportional to 715,818.14, 1,073,671.37 and 416,107.55

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Solution

The fourth proportional to 715,818.14, 1,073,671.37 and 416,107.55 is: 624,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,818.14 : 1,073,671.37 = 416,107.55 : x
  2. Step 2: Convert to fraction form
    715,818.14/1,073,671.37 = 416,107.55/x
  3. Step 3: Cross multiply
    715,818.14x = 1,073,671.37 × 416,107.55
  4. Step 4: Simplify right side
    715,818.14x = 446,762,755,826.95
  5. Step 5: Solve for x
    x = 446,762,755,826.95/715,818.14
  6. Step 6: Final answer
    x = 624,128.86

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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.