Home / 1,746,628.80-2,620,064.16-681,316.80

Finding the Fourth Proportional to 1,746,628.80, 2,620,064.16 and 681,316.80

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Solution

The fourth proportional to 1,746,628.80, 2,620,064.16 and 681,316.80 is: 1,022,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,628.80 : 2,620,064.16 = 681,316.80 : x
  2. Step 2: Convert to fraction form
    1,746,628.80/2,620,064.16 = 681,316.80/x
  3. Step 3: Cross multiply
    1,746,628.80x = 2,620,064.16 × 681,316.80
  4. Step 4: Simplify right side
    1,746,628.80x = 1,785,093,729,285.89
  5. Step 5: Solve for x
    x = 1,785,093,729,285.89/1,746,628.80
  6. Step 6: Final answer
    x = 1,022,022.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.