Home / 715,818.63-1,073,672.11-416,108.05

Finding the Fourth Proportional to 715,818.63, 1,073,672.11 and 416,108.05

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Solution

The fourth proportional to 715,818.63, 1,073,672.11 and 416,108.05 is: 624,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,818.63 : 1,073,672.11 = 416,108.05 : x
  2. Step 2: Convert to fraction form
    715,818.63/1,073,672.11 = 416,108.05/x
  3. Step 3: Cross multiply
    715,818.63x = 1,073,672.11 × 416,108.05
  4. Step 4: Simplify right side
    715,818.63x = 446,763,608,031.49
  5. Step 5: Solve for x
    x = 446,763,608,031.49/715,818.63
  6. Step 6: Final answer
    x = 624,129.62

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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.