Home / 715,818.26-1,073,671.55-416,107.67

Finding the Fourth Proportional to 715,818.26, 1,073,671.55 and 416,107.67

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Solution

The fourth proportional to 715,818.26, 1,073,671.55 and 416,107.67 is: 624,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,818.26 : 1,073,671.55 = 416,107.67 : x
  2. Step 2: Convert to fraction form
    715,818.26/1,073,671.55 = 416,107.67/x
  3. Step 3: Cross multiply
    715,818.26x = 1,073,671.55 × 416,107.67
  4. Step 4: Simplify right side
    715,818.26x = 446,762,967,015.79
  5. Step 5: Solve for x
    x = 446,762,967,015.79/715,818.26
  6. Step 6: Final answer
    x = 624,129.05

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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.