Home / 354,926.60-531,353.10-317,601.80

Finding the Fourth Proportional to 354,926.60, 531,353.10 and 317,601.80

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Solution

The fourth proportional to 354,926.60, 531,353.10 and 317,601.80 is: 475,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,926.60 : 531,353.10 = 317,601.80 : x
  2. Step 2: Convert to fraction form
    354,926.60/531,353.10 = 317,601.80/x
  3. Step 3: Cross multiply
    354,926.60x = 531,353.10 × 317,601.80
  4. Step 4: Simplify right side
    354,926.60x = 168,758,700,995.58
  5. Step 5: Solve for x
    x = 168,758,700,995.58/354,926.60
  6. Step 6: Final answer
    x = 475,474.93

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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.