Home / 470,020.58-648,559.95-268,777.70

Finding the Fourth Proportional to 470,020.58, 648,559.95 and 268,777.70

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Solution

The fourth proportional to 470,020.58, 648,559.95 and 268,777.70 is: 370,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,020.58 : 648,559.95 = 268,777.70 : x
  2. Step 2: Convert to fraction form
    470,020.58/648,559.95 = 268,777.70/x
  3. Step 3: Cross multiply
    470,020.58x = 648,559.95 × 268,777.70
  4. Step 4: Simplify right side
    470,020.58x = 174,318,451,673.12
  5. Step 5: Solve for x
    x = 174,318,451,673.12/470,020.58
  6. Step 6: Final answer
    x = 370,874.08

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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.