Home / 354,777.20-490,125.68-232,559.72

Finding the Fourth Proportional to 354,777.20, 490,125.68 and 232,559.72

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Solution

The fourth proportional to 354,777.20, 490,125.68 and 232,559.72 is: 321,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,777.20 : 490,125.68 = 232,559.72 : x
  2. Step 2: Convert to fraction form
    354,777.20/490,125.68 = 232,559.72/x
  3. Step 3: Cross multiply
    354,777.20x = 490,125.68 × 232,559.72
  4. Step 4: Simplify right side
    354,777.20x = 113,983,490,905.61
  5. Step 5: Solve for x
    x = 113,983,490,905.61/354,777.20
  6. Step 6: Final answer
    x = 321,281.89

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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.