Home / 856,416.72-1,181,768.94-474,372.12

Finding the Fourth Proportional to 856,416.72, 1,181,768.94 and 474,372.12

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Solution

The fourth proportional to 856,416.72, 1,181,768.94 and 474,372.12 is: 654,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,416.72 : 1,181,768.94 = 474,372.12 : x
  2. Step 2: Convert to fraction form
    856,416.72/1,181,768.94 = 474,372.12/x
  3. Step 3: Cross multiply
    856,416.72x = 1,181,768.94 × 474,372.12
  4. Step 4: Simplify right side
    856,416.72x = 560,598,241,558.31
  5. Step 5: Solve for x
    x = 560,598,241,558.31/856,416.72
  6. Step 6: Final answer
    x = 654,585.82

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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.