Home / 1,202,157.78-1,658,977.69-658,326.81

Finding the Fourth Proportional to 1,202,157.78, 1,658,977.69 and 658,326.81

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Solution

The fourth proportional to 1,202,157.78, 1,658,977.69 and 658,326.81 is: 908,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,157.78 : 1,658,977.69 = 658,326.81 : x
  2. Step 2: Convert to fraction form
    1,202,157.78/1,658,977.69 = 658,326.81/x
  3. Step 3: Cross multiply
    1,202,157.78x = 1,658,977.69 × 658,326.81
  4. Step 4: Simplify right side
    1,202,157.78x = 1,092,149,490,518.87
  5. Step 5: Solve for x
    x = 1,092,149,490,518.87/1,202,157.78
  6. Step 6: Final answer
    x = 908,490.97

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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.