Home / 513,136.71-708,098.15-283,680.26

Finding the Fourth Proportional to 513,136.71, 708,098.15 and 283,680.26

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Solution

The fourth proportional to 513,136.71, 708,098.15 and 283,680.26 is: 391,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,136.71 : 708,098.15 = 283,680.26 : x
  2. Step 2: Convert to fraction form
    513,136.71/708,098.15 = 283,680.26/x
  3. Step 3: Cross multiply
    513,136.71x = 708,098.15 × 283,680.26
  4. Step 4: Simplify right side
    513,136.71x = 200,873,467,121.60
  5. Step 5: Solve for x
    x = 200,873,467,121.60/513,136.71
  6. Step 6: Final answer
    x = 391,461.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.