Home / 1,314,225.56-1,971,581.34-415,893.44

Finding the Fourth Proportional to 1,314,225.56, 1,971,581.34 and 415,893.44

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Solution

The fourth proportional to 1,314,225.56, 1,971,581.34 and 415,893.44 is: 623,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,225.56 : 1,971,581.34 = 415,893.44 : x
  2. Step 2: Convert to fraction form
    1,314,225.56/1,971,581.34 = 415,893.44/x
  3. Step 3: Cross multiply
    1,314,225.56x = 1,971,581.34 × 415,893.44
  4. Step 4: Simplify right side
    1,314,225.56x = 819,967,745,732.41
  5. Step 5: Solve for x
    x = 819,967,745,732.41/1,314,225.56
  6. Step 6: Final answer
    x = 623,917.06

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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.