Home / 725,611.20-1,001,300.56-403,310.24

Finding the Fourth Proportional to 725,611.20, 1,001,300.56 and 403,310.24

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Solution

The fourth proportional to 725,611.20, 1,001,300.56 and 403,310.24 is: 556,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,611.20 : 1,001,300.56 = 403,310.24 : x
  2. Step 2: Convert to fraction form
    725,611.20/1,001,300.56 = 403,310.24/x
  3. Step 3: Cross multiply
    725,611.20x = 1,001,300.56 × 403,310.24
  4. Step 4: Simplify right side
    725,611.20x = 403,834,769,165.73
  5. Step 5: Solve for x
    x = 403,834,769,165.73/725,611.20
  6. Step 6: Final answer
    x = 556,544.29

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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.