Home / 1,131,975.32-1,562,099.90-622,666.84

Finding the Fourth Proportional to 1,131,975.32, 1,562,099.90 and 622,666.84

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Solution

The fourth proportional to 1,131,975.32, 1,562,099.90 and 622,666.84 is: 859,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,975.32 : 1,562,099.90 = 622,666.84 : x
  2. Step 2: Convert to fraction form
    1,131,975.32/1,562,099.90 = 622,666.84/x
  3. Step 3: Cross multiply
    1,131,975.32x = 1,562,099.90 × 622,666.84
  4. Step 4: Simplify right side
    1,131,975.32x = 972,667,808,497.32
  5. Step 5: Solve for x
    x = 972,667,808,497.32/1,131,975.32
  6. Step 6: Final answer
    x = 859,265.91

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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.