Home / 482,949.40-724,424.10-303,323.80

Finding the Fourth Proportional to 482,949.40, 724,424.10 and 303,323.80

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Solution

The fourth proportional to 482,949.40, 724,424.10 and 303,323.80 is: 454,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,949.40 : 724,424.10 = 303,323.80 : x
  2. Step 2: Convert to fraction form
    482,949.40/724,424.10 = 303,323.80/x
  3. Step 3: Cross multiply
    482,949.40x = 724,424.10 × 303,323.80
  4. Step 4: Simplify right side
    482,949.40x = 219,735,070,823.58
  5. Step 5: Solve for x
    x = 219,735,070,823.58/482,949.40
  6. Step 6: Final answer
    x = 454,985.70

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Similar ratio
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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.