Home / 397,628.20-596,442.30-240,164.20

Finding the Fourth Proportional to 397,628.20, 596,442.30 and 240,164.20

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Solution

The fourth proportional to 397,628.20, 596,442.30 and 240,164.20 is: 360,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,628.20 : 596,442.30 = 240,164.20 : x
  2. Step 2: Convert to fraction form
    397,628.20/596,442.30 = 240,164.20/x
  3. Step 3: Cross multiply
    397,628.20x = 596,442.30 × 240,164.20
  4. Step 4: Simplify right side
    397,628.20x = 143,244,087,825.66
  5. Step 5: Solve for x
    x = 143,244,087,825.66/397,628.20
  6. Step 6: Final answer
    x = 360,246.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.