Home / 1,174,516.18-1,620,966.78-658,409.46

Finding the Fourth Proportional to 1,174,516.18, 1,620,966.78 and 658,409.46

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Solution

The fourth proportional to 1,174,516.18, 1,620,966.78 and 658,409.46 is: 908,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,516.18 : 1,620,966.78 = 658,409.46 : x
  2. Step 2: Convert to fraction form
    1,174,516.18/1,620,966.78 = 658,409.46/x
  3. Step 3: Cross multiply
    1,174,516.18x = 1,620,966.78 × 658,409.46
  4. Step 4: Simplify right side
    1,174,516.18x = 1,067,259,859,005.69
  5. Step 5: Solve for x
    x = 1,067,259,859,005.69/1,174,516.18
  6. Step 6: Final answer
    x = 908,680.43

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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.