Home / 456,748.38-630,308.16-252,799.74

Finding the Fourth Proportional to 456,748.38, 630,308.16 and 252,799.74

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Solution

The fourth proportional to 456,748.38, 630,308.16 and 252,799.74 is: 348,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,748.38 : 630,308.16 = 252,799.74 : x
  2. Step 2: Convert to fraction form
    456,748.38/630,308.16 = 252,799.74/x
  3. Step 3: Cross multiply
    456,748.38x = 630,308.16 × 252,799.74
  4. Step 4: Simplify right side
    456,748.38x = 159,341,738,967.88
  5. Step 5: Solve for x
    x = 159,341,738,967.88/456,748.38
  6. Step 6: Final answer
    x = 348,861.09

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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.