Home / 1,172,709.67-1,618,342.46-636,165.67

Finding the Fourth Proportional to 1,172,709.67, 1,618,342.46 and 636,165.67

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Solution

The fourth proportional to 1,172,709.67, 1,618,342.46 and 636,165.67 is: 877,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,709.67 : 1,618,342.46 = 636,165.67 : x
  2. Step 2: Convert to fraction form
    1,172,709.67/1,618,342.46 = 636,165.67/x
  3. Step 3: Cross multiply
    1,172,709.67x = 1,618,342.46 × 636,165.67
  4. Step 4: Simplify right side
    1,172,709.67x = 1,029,533,915,355.35
  5. Step 5: Solve for x
    x = 1,029,533,915,355.35/1,172,709.67
  6. Step 6: Final answer
    x = 877,910.31

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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.