Home / 1,115,742.40-1,672,672.96-484,180.48

Finding the Fourth Proportional to 1,115,742.40, 1,672,672.96 and 484,180.48

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Solution

The fourth proportional to 1,115,742.40, 1,672,672.96 and 484,180.48 is: 725,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,742.40 : 1,672,672.96 = 484,180.48 : x
  2. Step 2: Convert to fraction form
    1,115,742.40/1,672,672.96 = 484,180.48/x
  3. Step 3: Cross multiply
    1,115,742.40x = 1,672,672.96 × 484,180.48
  4. Step 4: Simplify right side
    1,115,742.40x = 809,875,596,655.82
  5. Step 5: Solve for x
    x = 809,875,596,655.82/1,115,742.40
  6. Step 6: Final answer
    x = 725,862.53

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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.