Home / 1,511,231.52-2,085,424.64-832,041.12

Finding the Fourth Proportional to 1,511,231.52, 2,085,424.64 and 832,041.12

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Solution

The fourth proportional to 1,511,231.52, 2,085,424.64 and 832,041.12 is: 1,148,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,231.52 : 2,085,424.64 = 832,041.12 : x
  2. Step 2: Convert to fraction form
    1,511,231.52/2,085,424.64 = 832,041.12/x
  3. Step 3: Cross multiply
    1,511,231.52x = 2,085,424.64 × 832,041.12
  4. Step 4: Simplify right side
    1,511,231.52x = 1,735,159,053,141.20
  5. Step 5: Solve for x
    x = 1,735,159,053,141.20/1,511,231.52
  6. Step 6: Final answer
    x = 1,148,175.53

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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.