Home / 1,208,050.88-1,667,130.88-664,208.96

Finding the Fourth Proportional to 1,208,050.88, 1,667,130.88 and 664,208.96

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Solution

The fourth proportional to 1,208,050.88, 1,667,130.88 and 664,208.96 is: 916,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,050.88 : 1,667,130.88 = 664,208.96 : x
  2. Step 2: Convert to fraction form
    1,208,050.88/1,667,130.88 = 664,208.96/x
  3. Step 3: Cross multiply
    1,208,050.88x = 1,667,130.88 × 664,208.96
  4. Step 4: Simplify right side
    1,208,050.88x = 1,107,323,267,988.68
  5. Step 5: Solve for x
    x = 1,107,323,267,988.68/1,208,050.88
  6. Step 6: Final answer
    x = 916,619.73

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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.