Home / 521,913.12-782,994.24-184,983.22

Finding the Fourth Proportional to 521,913.12, 782,994.24 and 184,983.22

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Solution

The fourth proportional to 521,913.12, 782,994.24 and 184,983.22 is: 277,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,913.12 : 782,994.24 = 184,983.22 : x
  2. Step 2: Convert to fraction form
    521,913.12/782,994.24 = 184,983.22/x
  3. Step 3: Cross multiply
    521,913.12x = 782,994.24 × 184,983.22
  4. Step 4: Simplify right side
    521,913.12x = 144,840,795,756.65
  5. Step 5: Solve for x
    x = 144,840,795,756.65/521,913.12
  6. Step 6: Final answer
    x = 277,518.98

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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.