Home / 1,675,020.48-2,511,578.64-1,143,185.76

Finding the Fourth Proportional to 1,675,020.48, 2,511,578.64 and 1,143,185.76

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Solution

The fourth proportional to 1,675,020.48, 2,511,578.64 and 1,143,185.76 is: 1,714,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,020.48 : 2,511,578.64 = 1,143,185.76 : x
  2. Step 2: Convert to fraction form
    1,675,020.48/2,511,578.64 = 1,143,185.76/x
  3. Step 3: Cross multiply
    1,675,020.48x = 2,511,578.64 × 1,143,185.76
  4. Step 4: Simplify right side
    1,675,020.48x = 2,871,200,936,368.17
  5. Step 5: Solve for x
    x = 2,871,200,936,368.17/1,675,020.48
  6. Step 6: Final answer
    x = 1,714,128.85

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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.