Home / 1,174,343.15-1,620,539.30-665,049.17

Finding the Fourth Proportional to 1,174,343.15, 1,620,539.30 and 665,049.17

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Solution

The fourth proportional to 1,174,343.15, 1,620,539.30 and 665,049.17 is: 917,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,343.15 : 1,620,539.30 = 665,049.17 : x
  2. Step 2: Convert to fraction form
    1,174,343.15/1,620,539.30 = 665,049.17/x
  3. Step 3: Cross multiply
    1,174,343.15x = 1,620,539.30 × 665,049.17
  4. Step 4: Simplify right side
    1,174,343.15x = 1,077,738,304,989.44
  5. Step 5: Solve for x
    x = 1,077,738,304,989.44/1,174,343.15
  6. Step 6: Final answer
    x = 917,737.13

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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.