Home / 1,105,069.80-1,657,604.70-1,097,196.60

Finding the Fourth Proportional to 1,105,069.80, 1,657,604.70 and 1,097,196.60

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Solution

The fourth proportional to 1,105,069.80, 1,657,604.70 and 1,097,196.60 is: 1,645,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,069.80 : 1,657,604.70 = 1,097,196.60 : x
  2. Step 2: Convert to fraction form
    1,105,069.80/1,657,604.70 = 1,097,196.60/x
  3. Step 3: Cross multiply
    1,105,069.80x = 1,657,604.70 × 1,097,196.60
  4. Step 4: Simplify right side
    1,105,069.80x = 1,818,718,240,984.02
  5. Step 5: Solve for x
    x = 1,818,718,240,984.02/1,105,069.80
  6. Step 6: Final answer
    x = 1,645,794.90

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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.