Home / 1,105,105.80-1,657,658.70-1,097,232.60

Finding the Fourth Proportional to 1,105,105.80, 1,657,658.70 and 1,097,232.60

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Solution

The fourth proportional to 1,105,105.80, 1,657,658.70 and 1,097,232.60 is: 1,645,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,105.80 : 1,657,658.70 = 1,097,232.60 : x
  2. Step 2: Convert to fraction form
    1,105,105.80/1,657,658.70 = 1,097,232.60/x
  3. Step 3: Cross multiply
    1,105,105.80x = 1,657,658.70 × 1,097,232.60
  4. Step 4: Simplify right side
    1,105,105.80x = 1,818,837,165,313.62
  5. Step 5: Solve for x
    x = 1,818,837,165,313.62/1,105,105.80
  6. Step 6: Final answer
    x = 1,645,848.90

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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.