Home / 1,205,570.89-1,663,664.07-682,271.81

Finding the Fourth Proportional to 1,205,570.89, 1,663,664.07 and 682,271.81

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Solution

The fourth proportional to 1,205,570.89, 1,663,664.07 and 682,271.81 is: 941,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,570.89 : 1,663,664.07 = 682,271.81 : x
  2. Step 2: Convert to fraction form
    1,205,570.89/1,663,664.07 = 682,271.81/x
  3. Step 3: Cross multiply
    1,205,570.89x = 1,663,664.07 × 682,271.81
  4. Step 4: Simplify right side
    1,205,570.89x = 1,135,071,096,270.87
  5. Step 5: Solve for x
    x = 1,135,071,096,270.87/1,205,570.89
  6. Step 6: Final answer
    x = 941,521.65

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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.