Home / 1,286,081.60-1,774,706.10-713,100.56

Finding the Fourth Proportional to 1,286,081.60, 1,774,706.10 and 713,100.56

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Solution

The fourth proportional to 1,286,081.60, 1,774,706.10 and 713,100.56 is: 984,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,081.60 : 1,774,706.10 = 713,100.56 : x
  2. Step 2: Convert to fraction form
    1,286,081.60/1,774,706.10 = 713,100.56/x
  3. Step 3: Cross multiply
    1,286,081.60x = 1,774,706.10 × 713,100.56
  4. Step 4: Simplify right side
    1,286,081.60x = 1,265,543,913,745.42
  5. Step 5: Solve for x
    x = 1,265,543,913,745.42/1,286,081.60
  6. Step 6: Final answer
    x = 984,030.81

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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.