Home / 1,761,883.90-2,431,466.49-987,528.93

Finding the Fourth Proportional to 1,761,883.90, 2,431,466.49 and 987,528.93

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Solution

The fourth proportional to 1,761,883.90, 2,431,466.49 and 987,528.93 is: 1,362,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,883.90 : 2,431,466.49 = 987,528.93 : x
  2. Step 2: Convert to fraction form
    1,761,883.90/2,431,466.49 = 987,528.93/x
  3. Step 3: Cross multiply
    1,761,883.90x = 2,431,466.49 × 987,528.93
  4. Step 4: Simplify right side
    1,761,883.90x = 2,401,143,501,200.56
  5. Step 5: Solve for x
    x = 2,401,143,501,200.56/1,761,883.90
  6. Step 6: Final answer
    x = 1,362,827.31

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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.