Home / 1,190,759.69-1,643,389.25-707,326.76

Finding the Fourth Proportional to 1,190,759.69, 1,643,389.25 and 707,326.76

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Solution

The fourth proportional to 1,190,759.69, 1,643,389.25 and 707,326.76 is: 976,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,759.69 : 1,643,389.25 = 707,326.76 : x
  2. Step 2: Convert to fraction form
    1,190,759.69/1,643,389.25 = 707,326.76/x
  3. Step 3: Cross multiply
    1,190,759.69x = 1,643,389.25 × 707,326.76
  4. Step 4: Simplify right side
    1,190,759.69x = 1,162,413,187,172.70
  5. Step 5: Solve for x
    x = 1,162,413,187,172.70/1,190,759.69
  6. Step 6: Final answer
    x = 976,194.60

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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.