Home / 1,314,891.90-1,971,577.26-515,237.22

Finding the Fourth Proportional to 1,314,891.90, 1,971,577.26 and 515,237.22

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Solution

The fourth proportional to 1,314,891.90, 1,971,577.26 and 515,237.22 is: 772,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,891.90 : 1,971,577.26 = 515,237.22 : x
  2. Step 2: Convert to fraction form
    1,314,891.90/1,971,577.26 = 515,237.22/x
  3. Step 3: Cross multiply
    1,314,891.90x = 1,971,577.26 × 515,237.22
  4. Step 4: Simplify right side
    1,314,891.90x = 1,015,829,986,457.62
  5. Step 5: Solve for x
    x = 1,015,829,986,457.62/1,314,891.90
  6. Step 6: Final answer
    x = 772,557.79

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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.