Home / 1,630,975.65-2,250,803.75-905,836.92

Finding the Fourth Proportional to 1,630,975.65, 2,250,803.75 and 905,836.92

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Solution

The fourth proportional to 1,630,975.65, 2,250,803.75 and 905,836.92 is: 1,250,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,975.65 : 2,250,803.75 = 905,836.92 : x
  2. Step 2: Convert to fraction form
    1,630,975.65/2,250,803.75 = 905,836.92/x
  3. Step 3: Cross multiply
    1,630,975.65x = 2,250,803.75 × 905,836.92
  4. Step 4: Simplify right side
    1,630,975.65x = 2,038,861,131,895.27
  5. Step 5: Solve for x
    x = 2,038,861,131,895.27/1,630,975.65
  6. Step 6: Final answer
    x = 1,250,086.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.