Home / 816,550.32-1,126,868.28-454,077

Finding the Fourth Proportional to 816,550.32, 1,126,868.28 and 454,077

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Solution

The fourth proportional to 816,550.32, 1,126,868.28 and 454,077 is: 626,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,550.32 : 1,126,868.28 = 454,077 : x
  2. Step 2: Convert to fraction form
    816,550.32/1,126,868.28 = 454,077/x
  3. Step 3: Cross multiply
    816,550.32x = 1,126,868.28 × 454,077
  4. Step 4: Simplify right side
    816,550.32x = 511,684,967,977.56
  5. Step 5: Solve for x
    x = 511,684,967,977.56/816,550.32
  6. Step 6: Final answer
    x = 626,642.30

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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.