Home / 2,907,638.63-4,361,931.71-858,506.33

Finding the Fourth Proportional to 2,907,638.63, 4,361,931.71 and 858,506.33

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Solution

The fourth proportional to 2,907,638.63, 4,361,931.71 and 858,506.33 is: 1,287,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,638.63 : 4,361,931.71 = 858,506.33 : x
  2. Step 2: Convert to fraction form
    2,907,638.63/4,361,931.71 = 858,506.33/x
  3. Step 3: Cross multiply
    2,907,638.63x = 4,361,931.71 × 858,506.33
  4. Step 4: Simplify right side
    2,907,638.63x = 3,744,745,961,179.93
  5. Step 5: Solve for x
    x = 3,744,745,961,179.93/2,907,638.63
  6. Step 6: Final answer
    x = 1,287,899.37

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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.