Home / 331,536.24-497,307.78-265,396.77

Finding the Fourth Proportional to 331,536.24, 497,307.78 and 265,396.77

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Solution

The fourth proportional to 331,536.24, 497,307.78 and 265,396.77 is: 398,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,536.24 : 497,307.78 = 265,396.77 : x
  2. Step 2: Convert to fraction form
    331,536.24/497,307.78 = 265,396.77/x
  3. Step 3: Cross multiply
    331,536.24x = 497,307.78 × 265,396.77
  4. Step 4: Simplify right side
    331,536.24x = 131,983,878,507.87
  5. Step 5: Solve for x
    x = 131,983,878,507.87/331,536.24
  6. Step 6: Final answer
    x = 398,097.89

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1.5x scale

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.