Home / 1,208,656.06-1,667,948.69-664,847.57

Finding the Fourth Proportional to 1,208,656.06, 1,667,948.69 and 664,847.57

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Solution

The fourth proportional to 1,208,656.06, 1,667,948.69 and 664,847.57 is: 917,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,656.06 : 1,667,948.69 = 664,847.57 : x
  2. Step 2: Convert to fraction form
    1,208,656.06/1,667,948.69 = 664,847.57/x
  3. Step 3: Cross multiply
    1,208,656.06x = 1,667,948.69 × 664,847.57
  4. Step 4: Simplify right side
    1,208,656.06x = 1,108,931,633,431.18
  5. Step 5: Solve for x
    x = 1,108,931,633,431.18/1,208,656.06
  6. Step 6: Final answer
    x = 917,491.48

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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.