Home / 714,771.63-1,071,817.74-415,338.57

Finding the Fourth Proportional to 714,771.63, 1,071,817.74 and 415,338.57

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Solution

The fourth proportional to 714,771.63, 1,071,817.74 and 415,338.57 is: 622,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,771.63 : 1,071,817.74 = 415,338.57 : x
  2. Step 2: Convert to fraction form
    714,771.63/1,071,817.74 = 415,338.57/x
  3. Step 3: Cross multiply
    714,771.63x = 1,071,817.74 × 415,338.57
  4. Step 4: Simplify right side
    714,771.63x = 445,167,247,432.23
  5. Step 5: Solve for x
    x = 445,167,247,432.23/714,771.63
  6. Step 6: Final answer
    x = 622,810.46

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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.