Home / 1,920,763.35-2,881,366.46-641,540.57

Finding the Fourth Proportional to 1,920,763.35, 2,881,366.46 and 641,540.57

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Solution

The fourth proportional to 1,920,763.35, 2,881,366.46 and 641,540.57 is: 962,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,763.35 : 2,881,366.46 = 641,540.57 : x
  2. Step 2: Convert to fraction form
    1,920,763.35/2,881,366.46 = 641,540.57/x
  3. Step 3: Cross multiply
    1,920,763.35x = 2,881,366.46 × 641,540.57
  4. Step 4: Simplify right side
    1,920,763.35x = 1,848,513,463,512.75
  5. Step 5: Solve for x
    x = 1,848,513,463,512.75/1,920,763.35
  6. Step 6: Final answer
    x = 962,384.81

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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.