Home / 867,638.52-1,295,551.53-765,586.08

Finding the Fourth Proportional to 867,638.52, 1,295,551.53 and 765,586.08

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Solution

The fourth proportional to 867,638.52, 1,295,551.53 and 765,586.08 is: 1,143,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,638.52 : 1,295,551.53 = 765,586.08 : x
  2. Step 2: Convert to fraction form
    867,638.52/1,295,551.53 = 765,586.08/x
  3. Step 3: Cross multiply
    867,638.52x = 1,295,551.53 × 765,586.08
  4. Step 4: Simplify right side
    867,638.52x = 991,856,217,290.70
  5. Step 5: Solve for x
    x = 991,856,217,290.70/867,638.52
  6. Step 6: Final answer
    x = 1,143,167.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.