Home / 1,431,096.06-1,974,959.91-786,539.10

Finding the Fourth Proportional to 1,431,096.06, 1,974,959.91 and 786,539.10

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Solution

The fourth proportional to 1,431,096.06, 1,974,959.91 and 786,539.10 is: 1,085,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,096.06 : 1,974,959.91 = 786,539.10 : x
  2. Step 2: Convert to fraction form
    1,431,096.06/1,974,959.91 = 786,539.10/x
  3. Step 3: Cross multiply
    1,431,096.06x = 1,974,959.91 × 786,539.10
  4. Step 4: Simplify right side
    1,431,096.06x = 1,553,383,190,147.48
  5. Step 5: Solve for x
    x = 1,553,383,190,147.48/1,431,096.06
  6. Step 6: Final answer
    x = 1,085,449.98

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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.