Home / 1,640,255.80-2,460,383.70-922,810.45

Finding the Fourth Proportional to 1,640,255.80, 2,460,383.70 and 922,810.45

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Solution

The fourth proportional to 1,640,255.80, 2,460,383.70 and 922,810.45 is: 1,384,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,255.80 : 2,460,383.70 = 922,810.45 : x
  2. Step 2: Convert to fraction form
    1,640,255.80/2,460,383.70 = 922,810.45/x
  3. Step 3: Cross multiply
    1,640,255.80x = 2,460,383.70 × 922,810.45
  4. Step 4: Simplify right side
    1,640,255.80x = 2,270,467,789,369.67
  5. Step 5: Solve for x
    x = 2,270,467,789,369.67/1,640,255.80
  6. Step 6: Final answer
    x = 1,384,215.68

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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.