Home / 1,213,976.92-1,675,288.49-670,113.06

Finding the Fourth Proportional to 1,213,976.92, 1,675,288.49 and 670,113.06

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Solution

The fourth proportional to 1,213,976.92, 1,675,288.49 and 670,113.06 is: 924,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,976.92 : 1,675,288.49 = 670,113.06 : x
  2. Step 2: Convert to fraction form
    1,213,976.92/1,675,288.49 = 670,113.06/x
  3. Step 3: Cross multiply
    1,213,976.92x = 1,675,288.49 × 670,113.06
  4. Step 4: Simplify right side
    1,213,976.92x = 1,122,632,696,416.68
  5. Step 5: Solve for x
    x = 1,122,632,696,416.68/1,213,976.92
  6. Step 6: Final answer
    x = 924,756.21

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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.