Home / 814,883.14-1,223,524.28-455,757.58

Finding the Fourth Proportional to 814,883.14, 1,223,524.28 and 455,757.58

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Solution

The fourth proportional to 814,883.14, 1,223,524.28 and 455,757.58 is: 684,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,883.14 : 1,223,524.28 = 455,757.58 : x
  2. Step 2: Convert to fraction form
    814,883.14/1,223,524.28 = 455,757.58/x
  3. Step 3: Cross multiply
    814,883.14x = 1,223,524.28 × 455,757.58
  4. Step 4: Simplify right side
    814,883.14x = 557,630,464,924.04
  5. Step 5: Solve for x
    x = 557,630,464,924.04/814,883.14
  6. Step 6: Final answer
    x = 684,307.28

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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.