Home / 1,191,560.84-1,644,350.78-647,696.60

Finding the Fourth Proportional to 1,191,560.84, 1,644,350.78 and 647,696.60

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Solution

The fourth proportional to 1,191,560.84, 1,644,350.78 and 647,696.60 is: 893,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,560.84 : 1,644,350.78 = 647,696.60 : x
  2. Step 2: Convert to fraction form
    1,191,560.84/1,644,350.78 = 647,696.60/x
  3. Step 3: Cross multiply
    1,191,560.84x = 1,644,350.78 × 647,696.60
  4. Step 4: Simplify right side
    1,191,560.84x = 1,065,040,409,413.35
  5. Step 5: Solve for x
    x = 1,065,040,409,413.35/1,191,560.84
  6. Step 6: Final answer
    x = 893,819.58

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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.