Home / 1,190,858.63-1,786,285.21-516,852.57

Finding the Fourth Proportional to 1,190,858.63, 1,786,285.21 and 516,852.57

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Solution

The fourth proportional to 1,190,858.63, 1,786,285.21 and 516,852.57 is: 775,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,858.63 : 1,786,285.21 = 516,852.57 : x
  2. Step 2: Convert to fraction form
    1,190,858.63/1,786,285.21 = 516,852.57/x
  3. Step 3: Cross multiply
    1,190,858.63x = 1,786,285.21 × 516,852.57
  4. Step 4: Simplify right side
    1,190,858.63x = 923,246,101,541.49
  5. Step 5: Solve for x
    x = 923,246,101,541.49/1,190,858.63
  6. Step 6: Final answer
    x = 775,277.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.