Home / 1,630,861.87-2,250,527.67-905,756.29

Finding the Fourth Proportional to 1,630,861.87, 2,250,527.67 and 905,756.29

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Solution

The fourth proportional to 1,630,861.87, 2,250,527.67 and 905,756.29 is: 1,249,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,861.87 : 2,250,527.67 = 905,756.29 : x
  2. Step 2: Convert to fraction form
    1,630,861.87/2,250,527.67 = 905,756.29/x
  3. Step 3: Cross multiply
    1,630,861.87x = 2,250,527.67 × 905,756.29
  4. Step 4: Simplify right side
    1,630,861.87x = 2,038,429,592,921.54
  5. Step 5: Solve for x
    x = 2,038,429,592,921.54/1,630,861.87
  6. Step 6: Final answer
    x = 1,249,909.41

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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.