Home / 886,415.70-1,328,845.95-531,570.90

Finding the Fourth Proportional to 886,415.70, 1,328,845.95 and 531,570.90

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Solution

The fourth proportional to 886,415.70, 1,328,845.95 and 531,570.90 is: 796,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,415.70 : 1,328,845.95 = 531,570.90 : x
  2. Step 2: Convert to fraction form
    886,415.70/1,328,845.95 = 531,570.90/x
  3. Step 3: Cross multiply
    886,415.70x = 1,328,845.95 × 531,570.90
  4. Step 4: Simplify right side
    886,415.70x = 706,375,837,602.86
  5. Step 5: Solve for x
    x = 706,375,837,602.86/886,415.70
  6. Step 6: Final answer
    x = 796,890.03

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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.