Home / 1,302,364.80-1,953,255.60-856,216.80

Finding the Fourth Proportional to 1,302,364.80, 1,953,255.60 and 856,216.80

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Solution

The fourth proportional to 1,302,364.80, 1,953,255.60 and 856,216.80 is: 1,284,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,364.80 : 1,953,255.60 = 856,216.80 : x
  2. Step 2: Convert to fraction form
    1,302,364.80/1,953,255.60 = 856,216.80/x
  3. Step 3: Cross multiply
    1,302,364.80x = 1,953,255.60 × 856,216.80
  4. Step 4: Simplify right side
    1,302,364.80x = 1,672,410,259,414.08
  5. Step 5: Solve for x
    x = 1,672,410,259,414.08/1,302,364.80
  6. Step 6: Final answer
    x = 1,284,133.49

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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.