Home / 780,188.91-1,170,199.53-529,081.22

Finding the Fourth Proportional to 780,188.91, 1,170,199.53 and 529,081.22

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Solution

The fourth proportional to 780,188.91, 1,170,199.53 and 529,081.22 is: 793,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,188.91 : 1,170,199.53 = 529,081.22 : x
  2. Step 2: Convert to fraction form
    780,188.91/1,170,199.53 = 529,081.22/x
  3. Step 3: Cross multiply
    780,188.91x = 1,170,199.53 × 529,081.22
  4. Step 4: Simplify right side
    780,188.91x = 619,130,589,124.83
  5. Step 5: Solve for x
    x = 619,130,589,124.83/780,188.91
  6. Step 6: Final answer
    x = 793,564.97

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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.