Home / 921,035.09-1,261,822.46-886,518.76

Finding the Fourth Proportional to 921,035.09, 1,261,822.46 and 886,518.76

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Solution

The fourth proportional to 921,035.09, 1,261,822.46 and 886,518.76 is: 1,214,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,035.09 : 1,261,822.46 = 886,518.76 : x
  2. Step 2: Convert to fraction form
    921,035.09/1,261,822.46 = 886,518.76/x
  3. Step 3: Cross multiply
    921,035.09x = 1,261,822.46 × 886,518.76
  4. Step 4: Simplify right side
    921,035.09x = 1,118,629,282,579.35
  5. Step 5: Solve for x
    x = 1,118,629,282,579.35/921,035.09
  6. Step 6: Final answer
    x = 1,214,534.92

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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.