Home / 1,038,181.30-1,557,563.55-505,719.70

Finding the Fourth Proportional to 1,038,181.30, 1,557,563.55 and 505,719.70

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Solution

The fourth proportional to 1,038,181.30, 1,557,563.55 and 505,719.70 is: 758,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,181.30 : 1,557,563.55 = 505,719.70 : x
  2. Step 2: Convert to fraction form
    1,038,181.30/1,557,563.55 = 505,719.70/x
  3. Step 3: Cross multiply
    1,038,181.30x = 1,557,563.55 × 505,719.70
  4. Step 4: Simplify right side
    1,038,181.30x = 787,690,571,236.94
  5. Step 5: Solve for x
    x = 787,690,571,236.94/1,038,181.30
  6. Step 6: Final answer
    x = 758,721.59

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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.