Home / 938,611.88-1,295,309.90-530,774.72

Finding the Fourth Proportional to 938,611.88, 1,295,309.90 and 530,774.72

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Solution

The fourth proportional to 938,611.88, 1,295,309.90 and 530,774.72 is: 732,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,611.88 : 1,295,309.90 = 530,774.72 : x
  2. Step 2: Convert to fraction form
    938,611.88/1,295,309.90 = 530,774.72/x
  3. Step 3: Cross multiply
    938,611.88x = 1,295,309.90 × 530,774.72
  4. Step 4: Simplify right side
    938,611.88x = 687,517,749,485.73
  5. Step 5: Solve for x
    x = 687,517,749,485.73/938,611.88
  6. Step 6: Final answer
    x = 732,483.54

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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.