Home / 1,289,684.25-1,780,027.11-882,910.35

Finding the Fourth Proportional to 1,289,684.25, 1,780,027.11 and 882,910.35

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Solution

The fourth proportional to 1,289,684.25, 1,780,027.11 and 882,910.35 is: 1,218,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,684.25 : 1,780,027.11 = 882,910.35 : x
  2. Step 2: Convert to fraction form
    1,289,684.25/1,780,027.11 = 882,910.35/x
  3. Step 3: Cross multiply
    1,289,684.25x = 1,780,027.11 × 882,910.35
  4. Step 4: Simplify right side
    1,289,684.25x = 1,571,604,358,699.59
  5. Step 5: Solve for x
    x = 1,571,604,358,699.59/1,289,684.25
  6. Step 6: Final answer
    x = 1,218,596.23

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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.