Home / 1,217,769.72-1,680,525.49-673,943.01

Finding the Fourth Proportional to 1,217,769.72, 1,680,525.49 and 673,943.01

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Solution

The fourth proportional to 1,217,769.72, 1,680,525.49 and 673,943.01 is: 930,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,769.72 : 1,680,525.49 = 673,943.01 : x
  2. Step 2: Convert to fraction form
    1,217,769.72/1,680,525.49 = 673,943.01/x
  3. Step 3: Cross multiply
    1,217,769.72x = 1,680,525.49 × 673,943.01
  4. Step 4: Simplify right side
    1,217,769.72x = 1,132,578,407,112.33
  5. Step 5: Solve for x
    x = 1,132,578,407,112.33/1,217,769.72
  6. Step 6: Final answer
    x = 930,043.17

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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.