Home / 1,314,241.56-1,971,605.34-415,909.44

Finding the Fourth Proportional to 1,314,241.56, 1,971,605.34 and 415,909.44

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Solution

The fourth proportional to 1,314,241.56, 1,971,605.34 and 415,909.44 is: 623,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,241.56 : 1,971,605.34 = 415,909.44 : x
  2. Step 2: Convert to fraction form
    1,314,241.56/1,971,605.34 = 415,909.44/x
  3. Step 3: Cross multiply
    1,314,241.56x = 1,971,605.34 × 415,909.44
  4. Step 4: Simplify right side
    1,314,241.56x = 820,009,272,860.41
  5. Step 5: Solve for x
    x = 820,009,272,860.41/1,314,241.56
  6. Step 6: Final answer
    x = 623,941.06

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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.