Home / 1,577,287.86-2,365,709.45-512,342.79

Finding the Fourth Proportional to 1,577,287.86, 2,365,709.45 and 512,342.79

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Solution

The fourth proportional to 1,577,287.86, 2,365,709.45 and 512,342.79 is: 768,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,287.86 : 2,365,709.45 = 512,342.79 : x
  2. Step 2: Convert to fraction form
    1,577,287.86/2,365,709.45 = 512,342.79/x
  3. Step 3: Cross multiply
    1,577,287.86x = 2,365,709.45 × 512,342.79
  4. Step 4: Simplify right side
    1,577,287.86x = 1,212,054,177,380.65
  5. Step 5: Solve for x
    x = 1,212,054,177,380.65/1,577,287.86
  6. Step 6: Final answer
    x = 768,441.96

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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.