Home / 1,350,564.17-1,863,838.35-777,788.87

Finding the Fourth Proportional to 1,350,564.17, 1,863,838.35 and 777,788.87

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Solution

The fourth proportional to 1,350,564.17, 1,863,838.35 and 777,788.87 is: 1,073,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,564.17 : 1,863,838.35 = 777,788.87 : x
  2. Step 2: Convert to fraction form
    1,350,564.17/1,863,838.35 = 777,788.87/x
  3. Step 3: Cross multiply
    1,350,564.17x = 1,863,838.35 × 777,788.87
  4. Step 4: Simplify right side
    1,350,564.17x = 1,449,672,714,789.97
  5. Step 5: Solve for x
    x = 1,449,672,714,789.97/1,350,564.17
  6. Step 6: Final answer
    x = 1,073,383.07

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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.