Home / 894,861.21-1,234,908.65-492,453.21

Finding the Fourth Proportional to 894,861.21, 1,234,908.65 and 492,453.21

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Solution

The fourth proportional to 894,861.21, 1,234,908.65 and 492,453.21 is: 679,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,861.21 : 1,234,908.65 = 492,453.21 : x
  2. Step 2: Convert to fraction form
    894,861.21/1,234,908.65 = 492,453.21/x
  3. Step 3: Cross multiply
    894,861.21x = 1,234,908.65 × 492,453.21
  4. Step 4: Simplify right side
    894,861.21x = 608,134,728,749.27
  5. Step 5: Solve for x
    x = 608,134,728,749.27/894,861.21
  6. Step 6: Final answer
    x = 679,585.53

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1.5x scale

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.