Home / 1,314,245.56-1,971,611.36-415,913.44

Finding the Fourth Proportional to 1,314,245.56, 1,971,611.36 and 415,913.44

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Solution

The fourth proportional to 1,314,245.56, 1,971,611.36 and 415,913.44 is: 623,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,245.56 : 1,971,611.36 = 415,913.44 : x
  2. Step 2: Convert to fraction form
    1,314,245.56/1,971,611.36 = 415,913.44/x
  3. Step 3: Cross multiply
    1,314,245.56x = 1,971,611.36 × 415,913.44
  4. Step 4: Simplify right side
    1,314,245.56x = 820,019,663,080.68
  5. Step 5: Solve for x
    x = 820,019,663,080.68/1,314,245.56
  6. Step 6: Final answer
    x = 623,947.07

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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.