Home / 531,228.98-733,086.69-289,513.64

Finding the Fourth Proportional to 531,228.98, 733,086.69 and 289,513.64

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Solution

The fourth proportional to 531,228.98, 733,086.69 and 289,513.64 is: 399,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,228.98 : 733,086.69 = 289,513.64 : x
  2. Step 2: Convert to fraction form
    531,228.98/733,086.69 = 289,513.64/x
  3. Step 3: Cross multiply
    531,228.98x = 733,086.69 × 289,513.64
  4. Step 4: Simplify right side
    531,228.98x = 212,238,596,057.45
  5. Step 5: Solve for x
    x = 212,238,596,057.45/531,228.98
  6. Step 6: Final answer
    x = 399,523.75

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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.