Home / 1,223,601.97-1,688,772.96-1,019,329.33

Finding the Fourth Proportional to 1,223,601.97, 1,688,772.96 and 1,019,329.33

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Solution

The fourth proportional to 1,223,601.97, 1,688,772.96 and 1,019,329.33 is: 1,406,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,601.97 : 1,688,772.96 = 1,019,329.33 : x
  2. Step 2: Convert to fraction form
    1,223,601.97/1,688,772.96 = 1,019,329.33/x
  3. Step 3: Cross multiply
    1,223,601.97x = 1,688,772.96 × 1,019,329.33
  4. Step 4: Simplify right side
    1,223,601.97x = 1,721,415,809,838.92
  5. Step 5: Solve for x
    x = 1,721,415,809,838.92/1,223,601.97
  6. Step 6: Final answer
    x = 1,406,842.95

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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.