Home / 1,162,611.33-1,604,438.40-639,294.76

Finding the Fourth Proportional to 1,162,611.33, 1,604,438.40 and 639,294.76

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Solution

The fourth proportional to 1,162,611.33, 1,604,438.40 and 639,294.76 is: 882,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,611.33 : 1,604,438.40 = 639,294.76 : x
  2. Step 2: Convert to fraction form
    1,162,611.33/1,604,438.40 = 639,294.76/x
  3. Step 3: Cross multiply
    1,162,611.33x = 1,604,438.40 × 639,294.76
  4. Step 4: Simplify right side
    1,162,611.33x = 1,025,709,064,467.67
  5. Step 5: Solve for x
    x = 1,025,709,064,467.67/1,162,611.33
  6. Step 6: Final answer
    x = 882,245.88

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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.