Home / 1,686,939.72-2,327,918.91-962,020.76

Finding the Fourth Proportional to 1,686,939.72, 2,327,918.91 and 962,020.76

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Solution

The fourth proportional to 1,686,939.72, 2,327,918.91 and 962,020.76 is: 1,327,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,939.72 : 2,327,918.91 = 962,020.76 : x
  2. Step 2: Convert to fraction form
    1,686,939.72/2,327,918.91 = 962,020.76/x
  3. Step 3: Cross multiply
    1,686,939.72x = 2,327,918.91 × 962,020.76
  4. Step 4: Simplify right side
    1,686,939.72x = 2,239,506,319,016.57
  5. Step 5: Solve for x
    x = 2,239,506,319,016.57/1,686,939.72
  6. Step 6: Final answer
    x = 1,327,555.63

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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.