Home / 1,167,856.45-1,611,642.05-658,558.96

Finding the Fourth Proportional to 1,167,856.45, 1,611,642.05 and 658,558.96

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Solution

The fourth proportional to 1,167,856.45, 1,611,642.05 and 658,558.96 is: 908,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,856.45 : 1,611,642.05 = 658,558.96 : x
  2. Step 2: Convert to fraction form
    1,167,856.45/1,611,642.05 = 658,558.96/x
  3. Step 3: Cross multiply
    1,167,856.45x = 1,611,642.05 × 658,558.96
  4. Step 4: Simplify right side
    1,167,856.45x = 1,061,361,307,487.96
  5. Step 5: Solve for x
    x = 1,061,361,307,487.96/1,167,856.45
  6. Step 6: Final answer
    x = 908,811.45

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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.