Home / 1,289,560.36-1,934,974.14-580,089.64

Finding the Fourth Proportional to 1,289,560.36, 1,934,974.14 and 580,089.64

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Solution

The fourth proportional to 1,289,560.36, 1,934,974.14 and 580,089.64 is: 870,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,560.36 : 1,934,974.14 = 580,089.64 : x
  2. Step 2: Convert to fraction form
    1,289,560.36/1,934,974.14 = 580,089.64/x
  3. Step 3: Cross multiply
    1,289,560.36x = 1,934,974.14 × 580,089.64
  4. Step 4: Simplify right side
    1,289,560.36x = 1,122,458,452,281.91
  5. Step 5: Solve for x
    x = 1,122,458,452,281.91/1,289,560.36
  6. Step 6: Final answer
    x = 870,419.48

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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.