Home / 3,087,319.88-4,630,559.43-812,653.78

Finding the Fourth Proportional to 3,087,319.88, 4,630,559.43 and 812,653.78

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Solution

The fourth proportional to 3,087,319.88, 4,630,559.43 and 812,653.78 is: 1,218,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,319.88 : 4,630,559.43 = 812,653.78 : x
  2. Step 2: Convert to fraction form
    3,087,319.88/4,630,559.43 = 812,653.78/x
  3. Step 3: Cross multiply
    3,087,319.88x = 4,630,559.43 × 812,653.78
  4. Step 4: Simplify right side
    3,087,319.88x = 3,763,041,620,240.88
  5. Step 5: Solve for x
    x = 3,763,041,620,240.88/3,087,319.88
  6. Step 6: Final answer
    x = 1,218,870.01

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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.