Home / 1,185,954.71-1,777,069.29-916,742.50

Finding the Fourth Proportional to 1,185,954.71, 1,777,069.29 and 916,742.50

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Solution

The fourth proportional to 1,185,954.71, 1,777,069.29 and 916,742.50 is: 1,373,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,954.71 : 1,777,069.29 = 916,742.50 : x
  2. Step 2: Convert to fraction form
    1,185,954.71/1,777,069.29 = 916,742.50/x
  3. Step 3: Cross multiply
    1,185,954.71x = 1,777,069.29 × 916,742.50
  4. Step 4: Simplify right side
    1,185,954.71x = 1,629,114,939,145.15
  5. Step 5: Solve for x
    x = 1,629,114,939,145.15/1,185,954.71
  6. Step 6: Final answer
    x = 1,373,673.83

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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.