Home / 1,292,894.56-1,784,190-719,941.60

Finding the Fourth Proportional to 1,292,894.56, 1,784,190 and 719,941.60

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Solution

The fourth proportional to 1,292,894.56, 1,784,190 and 719,941.60 is: 993,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,894.56 : 1,784,190 = 719,941.60 : x
  2. Step 2: Convert to fraction form
    1,292,894.56/1,784,190 = 719,941.60/x
  3. Step 3: Cross multiply
    1,292,894.56x = 1,784,190 × 719,941.60
  4. Step 4: Simplify right side
    1,292,894.56x = 1,284,512,603,304
  5. Step 5: Solve for x
    x = 1,284,512,603,304/1,292,894.56
  6. Step 6: Final answer
    x = 993,516.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.