Home / 1,577,279.61-2,365,697.07-512,334.54

Finding the Fourth Proportional to 1,577,279.61, 2,365,697.07 and 512,334.54

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Solution

The fourth proportional to 1,577,279.61, 2,365,697.07 and 512,334.54 is: 768,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,279.61 : 2,365,697.07 = 512,334.54 : x
  2. Step 2: Convert to fraction form
    1,577,279.61/2,365,697.07 = 512,334.54/x
  3. Step 3: Cross multiply
    1,577,279.61x = 2,365,697.07 × 512,334.54
  4. Step 4: Simplify right side
    1,577,279.61x = 1,212,028,320,137.80
  5. Step 5: Solve for x
    x = 1,212,028,320,137.80/1,577,279.61
  6. Step 6: Final answer
    x = 768,429.59

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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.