Home / 914,685.82-1,372,016.27-283,599.63

Finding the Fourth Proportional to 914,685.82, 1,372,016.27 and 283,599.63

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Solution

The fourth proportional to 914,685.82, 1,372,016.27 and 283,599.63 is: 425,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,685.82 : 1,372,016.27 = 283,599.63 : x
  2. Step 2: Convert to fraction form
    914,685.82/1,372,016.27 = 283,599.63/x
  3. Step 3: Cross multiply
    914,685.82x = 1,372,016.27 × 283,599.63
  4. Step 4: Simplify right side
    914,685.82x = 389,103,307,234.98
  5. Step 5: Solve for x
    x = 389,103,307,234.98/914,685.82
  6. Step 6: Final answer
    x = 425,395.58

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Double scale
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Similar ratio
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1.5x scale

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.