Home / 1,105,310.40-1,658,354.40-543,969.60

Finding the Fourth Proportional to 1,105,310.40, 1,658,354.40 and 543,969.60

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Solution

The fourth proportional to 1,105,310.40, 1,658,354.40 and 543,969.60 is: 816,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,310.40 : 1,658,354.40 = 543,969.60 : x
  2. Step 2: Convert to fraction form
    1,105,310.40/1,658,354.40 = 543,969.60/x
  3. Step 3: Cross multiply
    1,105,310.40x = 1,658,354.40 × 543,969.60
  4. Step 4: Simplify right side
    1,105,310.40x = 902,094,379,626.24
  5. Step 5: Solve for x
    x = 902,094,379,626.24/1,105,310.40
  6. Step 6: Final answer
    x = 816,145.74

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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.