Home / 515,537.12-772,994.64-231,176

Finding the Fourth Proportional to 515,537.12, 772,994.64 and 231,176

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Solution

The fourth proportional to 515,537.12, 772,994.64 and 231,176 is: 346,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,537.12 : 772,994.64 = 231,176 : x
  2. Step 2: Convert to fraction form
    515,537.12/772,994.64 = 231,176/x
  3. Step 3: Cross multiply
    515,537.12x = 772,994.64 × 231,176
  4. Step 4: Simplify right side
    515,537.12x = 178,697,808,896.64
  5. Step 5: Solve for x
    x = 178,697,808,896.64/515,537.12
  6. Step 6: Final answer
    x = 346,624.52

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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.