Home / 777,170.89-1,164,260.67-476,774.29

Finding the Fourth Proportional to 777,170.89, 1,164,260.67 and 476,774.29

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Solution

The fourth proportional to 777,170.89, 1,164,260.67 and 476,774.29 is: 714,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,170.89 : 1,164,260.67 = 476,774.29 : x
  2. Step 2: Convert to fraction form
    777,170.89/1,164,260.67 = 476,774.29/x
  3. Step 3: Cross multiply
    777,170.89x = 1,164,260.67 × 476,774.29
  4. Step 4: Simplify right side
    777,170.89x = 555,089,554,314.17
  5. Step 5: Solve for x
    x = 555,089,554,314.17/777,170.89
  6. Step 6: Final answer
    x = 714,243.88

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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.