Home / 1,286,076.54-1,774,865.40-713,116.71

Finding the Fourth Proportional to 1,286,076.54, 1,774,865.40 and 713,116.71

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Solution

The fourth proportional to 1,286,076.54, 1,774,865.40 and 713,116.71 is: 984,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,076.54 : 1,774,865.40 = 713,116.71 : x
  2. Step 2: Convert to fraction form
    1,286,076.54/1,774,865.40 = 713,116.71/x
  3. Step 3: Cross multiply
    1,286,076.54x = 1,774,865.40 × 713,116.71
  4. Step 4: Simplify right side
    1,286,076.54x = 1,265,686,174,740.83
  5. Step 5: Solve for x
    x = 1,265,686,174,740.83/1,286,076.54
  6. Step 6: Final answer
    x = 984,145.29

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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.