Home / 1,190,761.95-1,643,392.37-707,329.01

Finding the Fourth Proportional to 1,190,761.95, 1,643,392.37 and 707,329.01

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Solution

The fourth proportional to 1,190,761.95, 1,643,392.37 and 707,329.01 is: 976,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,761.95 : 1,643,392.37 = 707,329.01 : x
  2. Step 2: Convert to fraction form
    1,190,761.95/1,643,392.37 = 707,329.01/x
  3. Step 3: Cross multiply
    1,190,761.95x = 1,643,392.37 × 707,329.01
  4. Step 4: Simplify right side
    1,190,761.95x = 1,162,419,086,360.05
  5. Step 5: Solve for x
    x = 1,162,419,086,360.05/1,190,761.95
  6. Step 6: Final answer
    x = 976,197.71

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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.