Home / 482,740.40-724,456.20-202,458.80

Finding the Fourth Proportional to 482,740.40, 724,456.20 and 202,458.80

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Solution

The fourth proportional to 482,740.40, 724,456.20 and 202,458.80 is: 303,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,740.40 : 724,456.20 = 202,458.80 : x
  2. Step 2: Convert to fraction form
    482,740.40/724,456.20 = 202,458.80/x
  3. Step 3: Cross multiply
    482,740.40x = 724,456.20 × 202,458.80
  4. Step 4: Simplify right side
    482,740.40x = 146,672,532,904.56
  5. Step 5: Solve for x
    x = 146,672,532,904.56/482,740.40
  6. Step 6: Final answer
    x = 303,833.14

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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.