Home / 531,238.29-733,087.45-289,515.66

Finding the Fourth Proportional to 531,238.29, 733,087.45 and 289,515.66

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Solution

The fourth proportional to 531,238.29, 733,087.45 and 289,515.66 is: 399,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,238.29 : 733,087.45 = 289,515.66 : x
  2. Step 2: Convert to fraction form
    531,238.29/733,087.45 = 289,515.66/x
  3. Step 3: Cross multiply
    531,238.29x = 733,087.45 × 289,515.66
  4. Step 4: Simplify right side
    531,238.29x = 212,240,296,924.47
  5. Step 5: Solve for x
    x = 212,240,296,924.47/531,238.29
  6. Step 6: Final answer
    x = 399,519.95

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1.5x scale

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.