Home / 921,037.09-1,261,825.20-886,520.76

Finding the Fourth Proportional to 921,037.09, 1,261,825.20 and 886,520.76

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Solution

The fourth proportional to 921,037.09, 1,261,825.20 and 886,520.76 is: 1,214,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,037.09 : 1,261,825.20 = 886,520.76 : x
  2. Step 2: Convert to fraction form
    921,037.09/1,261,825.20 = 886,520.76/x
  3. Step 3: Cross multiply
    921,037.09x = 1,261,825.20 × 886,520.76
  4. Step 4: Simplify right side
    921,037.09x = 1,118,634,235,291.15
  5. Step 5: Solve for x
    x = 1,118,634,235,291.15/921,037.09
  6. Step 6: Final answer
    x = 1,214,537.66

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1.5x scale

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.