Home / 1,328,528.44-1,832,912.22-805,407.76

Finding the Fourth Proportional to 1,328,528.44, 1,832,912.22 and 805,407.76

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Solution

The fourth proportional to 1,328,528.44, 1,832,912.22 and 805,407.76 is: 1,111,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,528.44 : 1,832,912.22 = 805,407.76 : x
  2. Step 2: Convert to fraction form
    1,328,528.44/1,832,912.22 = 805,407.76/x
  3. Step 3: Cross multiply
    1,328,528.44x = 1,832,912.22 × 805,407.76
  4. Step 4: Simplify right side
    1,328,528.44x = 1,476,241,725,386.83
  5. Step 5: Solve for x
    x = 1,476,241,725,386.83/1,328,528.44
  6. Step 6: Final answer
    x = 1,111,185.64

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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.