Home / 456,589.96-630,082-252,635.56

Finding the Fourth Proportional to 456,589.96, 630,082 and 252,635.56

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Solution

The fourth proportional to 456,589.96, 630,082 and 252,635.56 is: 348,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,589.96 : 630,082 = 252,635.56 : x
  2. Step 2: Convert to fraction form
    456,589.96/630,082 = 252,635.56/x
  3. Step 3: Cross multiply
    456,589.96x = 630,082 × 252,635.56
  4. Step 4: Simplify right side
    456,589.96x = 159,181,118,915.92
  5. Step 5: Solve for x
    x = 159,181,118,915.92/456,589.96
  6. Step 6: Final answer
    x = 348,630.35

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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.