Home / 1,208,090.88-1,667,185.92-664,248.96

Finding the Fourth Proportional to 1,208,090.88, 1,667,185.92 and 664,248.96

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Solution

The fourth proportional to 1,208,090.88, 1,667,185.92 and 664,248.96 is: 916,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,090.88 : 1,667,185.92 = 664,248.96 : x
  2. Step 2: Convert to fraction form
    1,208,090.88/1,667,185.92 = 664,248.96/x
  3. Step 3: Cross multiply
    1,208,090.88x = 1,667,185.92 × 664,248.96
  4. Step 4: Simplify right side
    1,208,090.88x = 1,107,426,513,486.64
  5. Step 5: Solve for x
    x = 1,107,426,513,486.64/1,208,090.88
  6. Step 6: Final answer
    x = 916,674.84

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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.