Home / 1,577,360.96-2,365,672.80-512,129.60

Finding the Fourth Proportional to 1,577,360.96, 2,365,672.80 and 512,129.60

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Solution

The fourth proportional to 1,577,360.96, 2,365,672.80 and 512,129.60 is: 768,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,360.96 : 2,365,672.80 = 512,129.60 : x
  2. Step 2: Convert to fraction form
    1,577,360.96/2,365,672.80 = 512,129.60/x
  3. Step 3: Cross multiply
    1,577,360.96x = 2,365,672.80 × 512,129.60
  4. Step 4: Simplify right side
    1,577,360.96x = 1,211,531,064,794.88
  5. Step 5: Solve for x
    x = 1,211,531,064,794.88/1,577,360.96
  6. Step 6: Final answer
    x = 768,074.71

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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.