Home / 470,780.72-649,669.73-255,926.19

Finding the Fourth Proportional to 470,780.72, 649,669.73 and 255,926.19

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Solution

The fourth proportional to 470,780.72, 649,669.73 and 255,926.19 is: 353,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,780.72 : 649,669.73 = 255,926.19 : x
  2. Step 2: Convert to fraction form
    470,780.72/649,669.73 = 255,926.19/x
  3. Step 3: Cross multiply
    470,780.72x = 649,669.73 × 255,926.19
  4. Step 4: Simplify right side
    470,780.72x = 166,267,498,757.23
  5. Step 5: Solve for x
    x = 166,267,498,757.23/470,780.72
  6. Step 6: Final answer
    x = 353,173.98

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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.