Home / 1,131,003.10-1,696,176.60-411,261.40

Finding the Fourth Proportional to 1,131,003.10, 1,696,176.60 and 411,261.40

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Solution

The fourth proportional to 1,131,003.10, 1,696,176.60 and 411,261.40 is: 616,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,003.10 : 1,696,176.60 = 411,261.40 : x
  2. Step 2: Convert to fraction form
    1,131,003.10/1,696,176.60 = 411,261.40/x
  3. Step 3: Cross multiply
    1,131,003.10x = 1,696,176.60 × 411,261.40
  4. Step 4: Simplify right side
    1,131,003.10x = 697,571,963,163.24
  5. Step 5: Solve for x
    x = 697,571,963,163.24/1,131,003.10
  6. Step 6: Final answer
    x = 616,772.81

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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.