Home / 1,290,563.20-1,933,540.80-624,246.40

Finding the Fourth Proportional to 1,290,563.20, 1,933,540.80 and 624,246.40

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Solution

The fourth proportional to 1,290,563.20, 1,933,540.80 and 624,246.40 is: 935,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,563.20 : 1,933,540.80 = 624,246.40 : x
  2. Step 2: Convert to fraction form
    1,290,563.20/1,933,540.80 = 624,246.40/x
  3. Step 3: Cross multiply
    1,290,563.20x = 1,933,540.80 × 624,246.40
  4. Step 4: Simplify right side
    1,290,563.20x = 1,207,005,883,653.12
  5. Step 5: Solve for x
    x = 1,207,005,883,653.12/1,290,563.20
  6. Step 6: Final answer
    x = 935,255.15

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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.