Home / 397,636.20-596,454.30-240,172.20

Finding the Fourth Proportional to 397,636.20, 596,454.30 and 240,172.20

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Solution

The fourth proportional to 397,636.20, 596,454.30 and 240,172.20 is: 360,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,636.20 : 596,454.30 = 240,172.20 : x
  2. Step 2: Convert to fraction form
    397,636.20/596,454.30 = 240,172.20/x
  3. Step 3: Cross multiply
    397,636.20x = 596,454.30 × 240,172.20
  4. Step 4: Simplify right side
    397,636.20x = 143,251,741,430.46
  5. Step 5: Solve for x
    x = 143,251,741,430.46/397,636.20
  6. Step 6: Final answer
    x = 360,258.30

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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.