Home / 1,863,054.40-2,794,581.60-665,015.80

Finding the Fourth Proportional to 1,863,054.40, 2,794,581.60 and 665,015.80

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Solution

The fourth proportional to 1,863,054.40, 2,794,581.60 and 665,015.80 is: 997,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,054.40 : 2,794,581.60 = 665,015.80 : x
  2. Step 2: Convert to fraction form
    1,863,054.40/2,794,581.60 = 665,015.80/x
  3. Step 3: Cross multiply
    1,863,054.40x = 2,794,581.60 × 665,015.80
  4. Step 4: Simplify right side
    1,863,054.40x = 1,858,440,918,389.28
  5. Step 5: Solve for x
    x = 1,858,440,918,389.28/1,863,054.40
  6. Step 6: Final answer
    x = 997,523.70

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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.