Home / 1,512,361.73-2,087,032.81-824,039.29

Finding the Fourth Proportional to 1,512,361.73, 2,087,032.81 and 824,039.29

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Solution

The fourth proportional to 1,512,361.73, 2,087,032.81 and 824,039.29 is: 1,137,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,361.73 : 2,087,032.81 = 824,039.29 : x
  2. Step 2: Convert to fraction form
    1,512,361.73/2,087,032.81 = 824,039.29/x
  3. Step 3: Cross multiply
    1,512,361.73x = 2,087,032.81 × 824,039.29
  4. Step 4: Simplify right side
    1,512,361.73x = 1,719,797,034,959.11
  5. Step 5: Solve for x
    x = 1,719,797,034,959.11/1,512,361.73
  6. Step 6: Final answer
    x = 1,137,159.85

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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.