Home / 913,555.14-1,259,868.41-784,449.70

Finding the Fourth Proportional to 913,555.14, 1,259,868.41 and 784,449.70

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Solution

The fourth proportional to 913,555.14, 1,259,868.41 and 784,449.70 is: 1,081,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,555.14 : 1,259,868.41 = 784,449.70 : x
  2. Step 2: Convert to fraction form
    913,555.14/1,259,868.41 = 784,449.70/x
  3. Step 3: Cross multiply
    913,555.14x = 1,259,868.41 × 784,449.70
  4. Step 4: Simplify right side
    913,555.14x = 988,303,392,133.74
  5. Step 5: Solve for x
    x = 988,303,392,133.74/913,555.14
  6. Step 6: Final answer
    x = 1,081,821.29

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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.