Home / 1,577,365.96-2,365,680.30-512,134.60

Finding the Fourth Proportional to 1,577,365.96, 2,365,680.30 and 512,134.60

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Solution

The fourth proportional to 1,577,365.96, 2,365,680.30 and 512,134.60 is: 768,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,365.96 : 2,365,680.30 = 512,134.60 : x
  2. Step 2: Convert to fraction form
    1,577,365.96/2,365,680.30 = 512,134.60/x
  3. Step 3: Cross multiply
    1,577,365.96x = 2,365,680.30 × 512,134.60
  4. Step 4: Simplify right side
    1,577,365.96x = 1,211,546,734,168.38
  5. Step 5: Solve for x
    x = 1,211,546,734,168.38/1,577,365.96
  6. Step 6: Final answer
    x = 768,082.21

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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.