Home / 1,294,889.60-1,786,882.14-714,213.76

Finding the Fourth Proportional to 1,294,889.60, 1,786,882.14 and 714,213.76

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Solution

The fourth proportional to 1,294,889.60, 1,786,882.14 and 714,213.76 is: 985,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,889.60 : 1,786,882.14 = 714,213.76 : x
  2. Step 2: Convert to fraction form
    1,294,889.60/1,786,882.14 = 714,213.76/x
  3. Step 3: Cross multiply
    1,294,889.60x = 1,786,882.14 × 714,213.76
  4. Step 4: Simplify right side
    1,294,889.60x = 1,276,215,811,886.25
  5. Step 5: Solve for x
    x = 1,276,215,811,886.25/1,294,889.60
  6. Step 6: Final answer
    x = 985,578.86

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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.