Home / 1,222,443.89-1,833,250.59-423,538.96

Finding the Fourth Proportional to 1,222,443.89, 1,833,250.59 and 423,538.96

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Solution

The fourth proportional to 1,222,443.89, 1,833,250.59 and 423,538.96 is: 635,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,443.89 : 1,833,250.59 = 423,538.96 : x
  2. Step 2: Convert to fraction form
    1,222,443.89/1,833,250.59 = 423,538.96/x
  3. Step 3: Cross multiply
    1,222,443.89x = 1,833,250.59 × 423,538.96
  4. Step 4: Simplify right side
    1,222,443.89x = 776,453,039,141.73
  5. Step 5: Solve for x
    x = 776,453,039,141.73/1,222,443.89
  6. Step 6: Final answer
    x = 635,164.57

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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.