Home / 1,362,576.44-1,880,398.11-781,905.89

Finding the Fourth Proportional to 1,362,576.44, 1,880,398.11 and 781,905.89

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Solution

The fourth proportional to 1,362,576.44, 1,880,398.11 and 781,905.89 is: 1,079,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,576.44 : 1,880,398.11 = 781,905.89 : x
  2. Step 2: Convert to fraction form
    1,362,576.44/1,880,398.11 = 781,905.89/x
  3. Step 3: Cross multiply
    1,362,576.44x = 1,880,398.11 × 781,905.89
  4. Step 4: Simplify right side
    1,362,576.44x = 1,470,294,360,988.79
  5. Step 5: Solve for x
    x = 1,470,294,360,988.79/1,362,576.44
  6. Step 6: Final answer
    x = 1,079,054.59

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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.