Home / 1,516,815.62-2,275,231.95-505,934.78

Finding the Fourth Proportional to 1,516,815.62, 2,275,231.95 and 505,934.78

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Solution

The fourth proportional to 1,516,815.62, 2,275,231.95 and 505,934.78 is: 758,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,815.62 : 2,275,231.95 = 505,934.78 : x
  2. Step 2: Convert to fraction form
    1,516,815.62/2,275,231.95 = 505,934.78/x
  3. Step 3: Cross multiply
    1,516,815.62x = 2,275,231.95 × 505,934.78
  4. Step 4: Simplify right side
    1,516,815.62x = 1,151,118,964,696.06
  5. Step 5: Solve for x
    x = 1,151,118,964,696.06/1,516,815.62
  6. Step 6: Final answer
    x = 758,905.00

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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.