Home / 986,385.89-1,362,152.85-932,650.67

Finding the Fourth Proportional to 986,385.89, 1,362,152.85 and 932,650.67

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Solution

The fourth proportional to 986,385.89, 1,362,152.85 and 932,650.67 is: 1,287,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,385.89 : 1,362,152.85 = 932,650.67 : x
  2. Step 2: Convert to fraction form
    986,385.89/1,362,152.85 = 932,650.67/x
  3. Step 3: Cross multiply
    986,385.89x = 1,362,152.85 × 932,650.67
  4. Step 4: Simplify right side
    986,385.89x = 1,270,412,768,194.91
  5. Step 5: Solve for x
    x = 1,270,412,768,194.91/986,385.89
  6. Step 6: Final answer
    x = 1,287,947.02

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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.