Home / 1,208,162.52-1,667,270.48-664,333.38

Finding the Fourth Proportional to 1,208,162.52, 1,667,270.48 and 664,333.38

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Solution

The fourth proportional to 1,208,162.52, 1,667,270.48 and 664,333.38 is: 916,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,162.52 : 1,667,270.48 = 664,333.38 : x
  2. Step 2: Convert to fraction form
    1,208,162.52/1,667,270.48 = 664,333.38/x
  3. Step 3: Cross multiply
    1,208,162.52x = 1,667,270.48 × 664,333.38
  4. Step 4: Simplify right side
    1,208,162.52x = 1,107,623,430,030.96
  5. Step 5: Solve for x
    x = 1,107,623,430,030.96/1,208,162.52
  6. Step 6: Final answer
    x = 916,783.47

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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.