Home / 1,519,128.90-2,096,655.66-874,922.06

Finding the Fourth Proportional to 1,519,128.90, 2,096,655.66 and 874,922.06

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Solution

The fourth proportional to 1,519,128.90, 2,096,655.66 and 874,922.06 is: 1,207,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,128.90 : 2,096,655.66 = 874,922.06 : x
  2. Step 2: Convert to fraction form
    1,519,128.90/2,096,655.66 = 874,922.06/x
  3. Step 3: Cross multiply
    1,519,128.90x = 2,096,655.66 × 874,922.06
  4. Step 4: Simplify right side
    1,519,128.90x = 1,834,410,278,674.58
  5. Step 5: Solve for x
    x = 1,834,410,278,674.58/1,519,128.90
  6. Step 6: Final answer
    x = 1,207,540.90

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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.