Home / 482,825.40-724,410.90-202,428.60

Finding the Fourth Proportional to 482,825.40, 724,410.90 and 202,428.60

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Solution

The fourth proportional to 482,825.40, 724,410.90 and 202,428.60 is: 303,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,825.40 : 724,410.90 = 202,428.60 : x
  2. Step 2: Convert to fraction form
    482,825.40/724,410.90 = 202,428.60/x
  3. Step 3: Cross multiply
    482,825.40x = 724,410.90 × 202,428.60
  4. Step 4: Simplify right side
    482,825.40x = 146,641,484,311.74
  5. Step 5: Solve for x
    x = 146,641,484,311.74/482,825.40
  6. Step 6: Final answer
    x = 303,715.35

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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.