Home / 1,438,706.76-1,985,404.38-794,126.88

Finding the Fourth Proportional to 1,438,706.76, 1,985,404.38 and 794,126.88

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Solution

The fourth proportional to 1,438,706.76, 1,985,404.38 and 794,126.88 is: 1,095,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,706.76 : 1,985,404.38 = 794,126.88 : x
  2. Step 2: Convert to fraction form
    1,438,706.76/1,985,404.38 = 794,126.88/x
  3. Step 3: Cross multiply
    1,438,706.76x = 1,985,404.38 × 794,126.88
  4. Step 4: Simplify right side
    1,438,706.76x = 1,576,662,985,827.73
  5. Step 5: Solve for x
    x = 1,576,662,985,827.73/1,438,706.76
  6. Step 6: Final answer
    x = 1,095,889.05

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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.