Home / 440,748.60-608,025.24-319,624.26

Finding the Fourth Proportional to 440,748.60, 608,025.24 and 319,624.26

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Solution

The fourth proportional to 440,748.60, 608,025.24 and 319,624.26 is: 440,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,748.60 : 608,025.24 = 319,624.26 : x
  2. Step 2: Convert to fraction form
    440,748.60/608,025.24 = 319,624.26/x
  3. Step 3: Cross multiply
    440,748.60x = 608,025.24 × 319,624.26
  4. Step 4: Simplify right side
    440,748.60x = 194,339,617,396.32
  5. Step 5: Solve for x
    x = 194,339,617,396.32/440,748.60
  6. Step 6: Final answer
    x = 440,930.77

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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.