Home / 1,212,819.69-1,673,699.06-668,970.17

Finding the Fourth Proportional to 1,212,819.69, 1,673,699.06 and 668,970.17

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Solution

The fourth proportional to 1,212,819.69, 1,673,699.06 and 668,970.17 is: 923,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,819.69 : 1,673,699.06 = 668,970.17 : x
  2. Step 2: Convert to fraction form
    1,212,819.69/1,673,699.06 = 668,970.17/x
  3. Step 3: Cross multiply
    1,212,819.69x = 1,673,699.06 × 668,970.17
  4. Step 4: Simplify right side
    1,212,819.69x = 1,119,654,732,983.69
  5. Step 5: Solve for x
    x = 1,119,654,732,983.69/1,212,819.69
  6. Step 6: Final answer
    x = 923,183.18

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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.