Home / 1,760,256.40-2,642,134.20-862,711.60

Finding the Fourth Proportional to 1,760,256.40, 2,642,134.20 and 862,711.60

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Solution

The fourth proportional to 1,760,256.40, 2,642,134.20 and 862,711.60 is: 1,294,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,256.40 : 2,642,134.20 = 862,711.60 : x
  2. Step 2: Convert to fraction form
    1,760,256.40/2,642,134.20 = 862,711.60/x
  3. Step 3: Cross multiply
    1,760,256.40x = 2,642,134.20 × 862,711.60
  4. Step 4: Simplify right side
    1,760,256.40x = 2,279,399,823,096.72
  5. Step 5: Solve for x
    x = 2,279,399,823,096.72/1,760,256.40
  6. Step 6: Final answer
    x = 1,294,924.89

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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.