Home / 938,576.26-1,408,283.04-432,865.78

Finding the Fourth Proportional to 938,576.26, 1,408,283.04 and 432,865.78

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Solution

The fourth proportional to 938,576.26, 1,408,283.04 and 432,865.78 is: 649,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,576.26 : 1,408,283.04 = 432,865.78 : x
  2. Step 2: Convert to fraction form
    938,576.26/1,408,283.04 = 432,865.78/x
  3. Step 3: Cross multiply
    938,576.26x = 1,408,283.04 × 432,865.78
  4. Step 4: Simplify right side
    938,576.26x = 609,597,536,570.37
  5. Step 5: Solve for x
    x = 609,597,536,570.37/938,576.26
  6. Step 6: Final answer
    x = 649,491.75

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1.5x scale

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.