Home / 1,683,231.12-2,322,873.78-958,125.51

Finding the Fourth Proportional to 1,683,231.12, 2,322,873.78 and 958,125.51

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Solution

The fourth proportional to 1,683,231.12, 2,322,873.78 and 958,125.51 is: 1,322,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,231.12 : 2,322,873.78 = 958,125.51 : x
  2. Step 2: Convert to fraction form
    1,683,231.12/2,322,873.78 = 958,125.51/x
  3. Step 3: Cross multiply
    1,683,231.12x = 2,322,873.78 × 958,125.51
  4. Step 4: Simplify right side
    1,683,231.12x = 2,225,604,625,128.13
  5. Step 5: Solve for x
    x = 2,225,604,625,128.13/1,683,231.12
  6. Step 6: Final answer
    x = 1,322,221.65

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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.