Home / 1,208,056.24-1,667,082.36-664,191.46

Finding the Fourth Proportional to 1,208,056.24, 1,667,082.36 and 664,191.46

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Solution

The fourth proportional to 1,208,056.24, 1,667,082.36 and 664,191.46 is: 916,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,056.24 : 1,667,082.36 = 664,191.46 : x
  2. Step 2: Convert to fraction form
    1,208,056.24/1,667,082.36 = 664,191.46/x
  3. Step 3: Cross multiply
    1,208,056.24x = 1,667,082.36 × 664,191.46
  4. Step 4: Simplify right side
    1,208,056.24x = 1,107,261,866,628.65
  5. Step 5: Solve for x
    x = 1,107,261,866,628.65/1,208,056.24
  6. Step 6: Final answer
    x = 916,564.83

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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.