Home / 1,298,361.88-1,791,961.89-754,812.96

Finding the Fourth Proportional to 1,298,361.88, 1,791,961.89 and 754,812.96

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Solution

The fourth proportional to 1,298,361.88, 1,791,961.89 and 754,812.96 is: 1,041,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,361.88 : 1,791,961.89 = 754,812.96 : x
  2. Step 2: Convert to fraction form
    1,298,361.88/1,791,961.89 = 754,812.96/x
  3. Step 3: Cross multiply
    1,298,361.88x = 1,791,961.89 × 754,812.96
  4. Step 4: Simplify right side
    1,298,361.88x = 1,352,596,048,847.69
  5. Step 5: Solve for x
    x = 1,352,596,048,847.69/1,298,361.88
  6. Step 6: Final answer
    x = 1,041,771.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.