Home / 1,661,700.81-2,293,157.16-926,701.56

Finding the Fourth Proportional to 1,661,700.81, 2,293,157.16 and 926,701.56

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Solution

The fourth proportional to 1,661,700.81, 2,293,157.16 and 926,701.56 is: 1,278,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,700.81 : 2,293,157.16 = 926,701.56 : x
  2. Step 2: Convert to fraction form
    1,661,700.81/2,293,157.16 = 926,701.56/x
  3. Step 3: Cross multiply
    1,661,700.81x = 2,293,157.16 × 926,701.56
  4. Step 4: Simplify right side
    1,661,700.81x = 2,125,072,317,497.17
  5. Step 5: Solve for x
    x = 2,125,072,317,497.17/1,661,700.81
  6. Step 6: Final answer
    x = 1,278,853.75

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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.