Home / 1,104,990.40-1,657,485.60-1,057,751.20

Finding the Fourth Proportional to 1,104,990.40, 1,657,485.60 and 1,057,751.20

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Solution

The fourth proportional to 1,104,990.40, 1,657,485.60 and 1,057,751.20 is: 1,586,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,990.40 : 1,657,485.60 = 1,057,751.20 : x
  2. Step 2: Convert to fraction form
    1,104,990.40/1,657,485.60 = 1,057,751.20/x
  3. Step 3: Cross multiply
    1,104,990.40x = 1,657,485.60 × 1,057,751.20
  4. Step 4: Simplify right side
    1,104,990.40x = 1,753,207,382,382.72
  5. Step 5: Solve for x
    x = 1,753,207,382,382.72/1,104,990.40
  6. Step 6: Final answer
    x = 1,586,626.80

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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.