Home / 1,224,957.80-1,837,681.97-685,980.56

Finding the Fourth Proportional to 1,224,957.80, 1,837,681.97 and 685,980.56

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Solution

The fourth proportional to 1,224,957.80, 1,837,681.97 and 685,980.56 is: 1,029,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,957.80 : 1,837,681.97 = 685,980.56 : x
  2. Step 2: Convert to fraction form
    1,224,957.80/1,837,681.97 = 685,980.56/x
  3. Step 3: Cross multiply
    1,224,957.80x = 1,837,681.97 × 685,980.56
  4. Step 4: Simplify right side
    1,224,957.80x = 1,260,614,097,694.09
  5. Step 5: Solve for x
    x = 1,260,614,097,694.09/1,224,957.80
  6. Step 6: Final answer
    x = 1,029,108.18

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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.