Home / 671,138.22-1,006,706.25-460,136.46

Finding the Fourth Proportional to 671,138.22, 1,006,706.25 and 460,136.46

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Solution

The fourth proportional to 671,138.22, 1,006,706.25 and 460,136.46 is: 690,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,138.22 : 1,006,706.25 = 460,136.46 : x
  2. Step 2: Convert to fraction form
    671,138.22/1,006,706.25 = 460,136.46/x
  3. Step 3: Cross multiply
    671,138.22x = 1,006,706.25 × 460,136.46
  4. Step 4: Simplify right side
    671,138.22x = 463,222,250,134.88
  5. Step 5: Solve for x
    x = 463,222,250,134.88/671,138.22
  6. Step 6: Final answer
    x = 690,203.95

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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.