Home / 1,092,168.40-1,638,252.60-905,544.40

Finding the Fourth Proportional to 1,092,168.40, 1,638,252.60 and 905,544.40

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Solution

The fourth proportional to 1,092,168.40, 1,638,252.60 and 905,544.40 is: 1,358,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,168.40 : 1,638,252.60 = 905,544.40 : x
  2. Step 2: Convert to fraction form
    1,092,168.40/1,638,252.60 = 905,544.40/x
  3. Step 3: Cross multiply
    1,092,168.40x = 1,638,252.60 × 905,544.40
  4. Step 4: Simplify right side
    1,092,168.40x = 1,483,510,467,715.44
  5. Step 5: Solve for x
    x = 1,483,510,467,715.44/1,092,168.40
  6. Step 6: Final answer
    x = 1,358,316.60

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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.