Home / 1,096,100.10-1,512,617.60-643,391.10

Finding the Fourth Proportional to 1,096,100.10, 1,512,617.60 and 643,391.10

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Solution

The fourth proportional to 1,096,100.10, 1,512,617.60 and 643,391.10 is: 887,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,100.10 : 1,512,617.60 = 643,391.10 : x
  2. Step 2: Convert to fraction form
    1,096,100.10/1,512,617.60 = 643,391.10/x
  3. Step 3: Cross multiply
    1,096,100.10x = 1,512,617.60 × 643,391.10
  4. Step 4: Simplify right side
    1,096,100.10x = 973,204,701,543.36
  5. Step 5: Solve for x
    x = 973,204,701,543.36/1,096,100.10
  6. Step 6: Final answer
    x = 887,879.40

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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.