Home / 1,174,265.19-1,620,485.82-665,065.98

Finding the Fourth Proportional to 1,174,265.19, 1,620,485.82 and 665,065.98

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Solution

The fourth proportional to 1,174,265.19, 1,620,485.82 and 665,065.98 is: 917,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,265.19 : 1,620,485.82 = 665,065.98 : x
  2. Step 2: Convert to fraction form
    1,174,265.19/1,620,485.82 = 665,065.98/x
  3. Step 3: Cross multiply
    1,174,265.19x = 1,620,485.82 × 665,065.98
  4. Step 4: Simplify right side
    1,174,265.19x = 1,077,729,989,954.40
  5. Step 5: Solve for x
    x = 1,077,729,989,954.40/1,174,265.19
  6. Step 6: Final answer
    x = 917,790.97

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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.