Home / 1,290,523.20-1,933,480.80-624,206.40

Finding the Fourth Proportional to 1,290,523.20, 1,933,480.80 and 624,206.40

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Solution

The fourth proportional to 1,290,523.20, 1,933,480.80 and 624,206.40 is: 935,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,523.20 : 1,933,480.80 = 624,206.40 : x
  2. Step 2: Convert to fraction form
    1,290,523.20/1,933,480.80 = 624,206.40/x
  3. Step 3: Cross multiply
    1,290,523.20x = 1,933,480.80 × 624,206.40
  4. Step 4: Simplify right side
    1,290,523.20x = 1,206,891,089,637.12
  5. Step 5: Solve for x
    x = 1,206,891,089,637.12/1,290,523.20
  6. Step 6: Final answer
    x = 935,195.19

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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.