Home / 1,235,777.86-1,852,956.36-658,690.30

Finding the Fourth Proportional to 1,235,777.86, 1,852,956.36 and 658,690.30

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Solution

The fourth proportional to 1,235,777.86, 1,852,956.36 and 658,690.30 is: 987,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,777.86 : 1,852,956.36 = 658,690.30 : x
  2. Step 2: Convert to fraction form
    1,235,777.86/1,852,956.36 = 658,690.30/x
  3. Step 3: Cross multiply
    1,235,777.86x = 1,852,956.36 × 658,690.30
  4. Step 4: Simplify right side
    1,235,777.86x = 1,220,524,380,655.31
  5. Step 5: Solve for x
    x = 1,220,524,380,655.31/1,235,777.86
  6. Step 6: Final answer
    x = 987,656.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.