Home / 470,019.58-648,558.57-268,776.70

Finding the Fourth Proportional to 470,019.58, 648,558.57 and 268,776.70

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Solution

The fourth proportional to 470,019.58, 648,558.57 and 268,776.70 is: 370,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,019.58 : 648,558.57 = 268,776.70 : x
  2. Step 2: Convert to fraction form
    470,019.58/648,558.57 = 268,776.70/x
  3. Step 3: Cross multiply
    470,019.58x = 648,558.57 × 268,776.70
  4. Step 4: Simplify right side
    470,019.58x = 174,317,432,201.32
  5. Step 5: Solve for x
    x = 174,317,432,201.32/470,019.58
  6. Step 6: Final answer
    x = 370,872.70

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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.