Home / 430,858.20-646,287.30-244,234.20

Finding the Fourth Proportional to 430,858.20, 646,287.30 and 244,234.20

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Solution

The fourth proportional to 430,858.20, 646,287.30 and 244,234.20 is: 366,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,858.20 : 646,287.30 = 244,234.20 : x
  2. Step 2: Convert to fraction form
    430,858.20/646,287.30 = 244,234.20/x
  3. Step 3: Cross multiply
    430,858.20x = 646,287.30 × 244,234.20
  4. Step 4: Simplify right side
    430,858.20x = 157,845,461,685.66
  5. Step 5: Solve for x
    x = 157,845,461,685.66/430,858.20
  6. Step 6: Final answer
    x = 366,351.30

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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.