Home / 1,526,078.77-2,289,094.87-515,910.33

Finding the Fourth Proportional to 1,526,078.77, 2,289,094.87 and 515,910.33

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Solution

The fourth proportional to 1,526,078.77, 2,289,094.87 and 515,910.33 is: 773,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,078.77 : 2,289,094.87 = 515,910.33 : x
  2. Step 2: Convert to fraction form
    1,526,078.77/2,289,094.87 = 515,910.33/x
  3. Step 3: Cross multiply
    1,526,078.77x = 2,289,094.87 × 515,910.33
  4. Step 4: Simplify right side
    1,526,078.77x = 1,180,967,689,783.01
  5. Step 5: Solve for x
    x = 1,180,967,689,783.01/1,526,078.77
  6. Step 6: Final answer
    x = 773,857.62

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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.