Home / 1,314,099.81-1,971,165.51-515,757.33

Finding the Fourth Proportional to 1,314,099.81, 1,971,165.51 and 515,757.33

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Solution

The fourth proportional to 1,314,099.81, 1,971,165.51 and 515,757.33 is: 773,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,099.81 : 1,971,165.51 = 515,757.33 : x
  2. Step 2: Convert to fraction form
    1,314,099.81/1,971,165.51 = 515,757.33/x
  3. Step 3: Cross multiply
    1,314,099.81x = 1,971,165.51 × 515,757.33
  4. Step 4: Simplify right side
    1,314,099.81x = 1,016,643,060,425.69
  5. Step 5: Solve for x
    x = 1,016,643,060,425.69/1,314,099.81
  6. Step 6: Final answer
    x = 773,642.19

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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.