Home / 1,105,977.72-1,659,433.14-657,555.24

Finding the Fourth Proportional to 1,105,977.72, 1,659,433.14 and 657,555.24

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Solution

The fourth proportional to 1,105,977.72, 1,659,433.14 and 657,555.24 is: 986,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,977.72 : 1,659,433.14 = 657,555.24 : x
  2. Step 2: Convert to fraction form
    1,105,977.72/1,659,433.14 = 657,555.24/x
  3. Step 3: Cross multiply
    1,105,977.72x = 1,659,433.14 × 657,555.24
  4. Step 4: Simplify right side
    1,105,977.72x = 1,091,168,956,636.65
  5. Step 5: Solve for x
    x = 1,091,168,956,636.65/1,105,977.72
  6. Step 6: Final answer
    x = 986,610.25

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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.