Home / 1,641,873.20-2,462,579.40-520,055.60

Finding the Fourth Proportional to 1,641,873.20, 2,462,579.40 and 520,055.60

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Solution

The fourth proportional to 1,641,873.20, 2,462,579.40 and 520,055.60 is: 780,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,873.20 : 2,462,579.40 = 520,055.60 : x
  2. Step 2: Convert to fraction form
    1,641,873.20/2,462,579.40 = 520,055.60/x
  3. Step 3: Cross multiply
    1,641,873.20x = 2,462,579.40 × 520,055.60
  4. Step 4: Simplify right side
    1,641,873.20x = 1,280,678,207,414.64
  5. Step 5: Solve for x
    x = 1,280,678,207,414.64/1,641,873.20
  6. Step 6: Final answer
    x = 780,010.42

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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.