Home / 886,790.77-1,214,907.86-853,580.57

Finding the Fourth Proportional to 886,790.77, 1,214,907.86 and 853,580.57

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Solution

The fourth proportional to 886,790.77, 1,214,907.86 and 853,580.57 is: 1,169,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,790.77 : 1,214,907.86 = 853,580.57 : x
  2. Step 2: Convert to fraction form
    886,790.77/1,214,907.86 = 853,580.57/x
  3. Step 3: Cross multiply
    886,790.77x = 1,214,907.86 × 853,580.57
  4. Step 4: Simplify right side
    886,790.77x = 1,037,021,739,695.69
  5. Step 5: Solve for x
    x = 1,037,021,739,695.69/886,790.77
  6. Step 6: Final answer
    x = 1,169,409.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.