Home / 513,085.41-707,996.53-283,611.70

Finding the Fourth Proportional to 513,085.41, 707,996.53 and 283,611.70

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Solution

The fourth proportional to 513,085.41, 707,996.53 and 283,611.70 is: 391,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,085.41 : 707,996.53 = 283,611.70 : x
  2. Step 2: Convert to fraction form
    513,085.41/707,996.53 = 283,611.70/x
  3. Step 3: Cross multiply
    513,085.41x = 707,996.53 × 283,611.70
  4. Step 4: Simplify right side
    513,085.41x = 200,796,099,467.40
  5. Step 5: Solve for x
    x = 200,796,099,467.40/513,085.41
  6. Step 6: Final answer
    x = 391,350.24

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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.