Home / 531,766.77-733,840.43-290,054.53

Finding the Fourth Proportional to 531,766.77, 733,840.43 and 290,054.53

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Solution

The fourth proportional to 531,766.77, 733,840.43 and 290,054.53 is: 400,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,766.77 : 733,840.43 = 290,054.53 : x
  2. Step 2: Convert to fraction form
    531,766.77/733,840.43 = 290,054.53/x
  3. Step 3: Cross multiply
    531,766.77x = 733,840.43 × 290,054.53
  4. Step 4: Simplify right side
    531,766.77x = 212,853,741,018.65
  5. Step 5: Solve for x
    x = 212,853,741,018.65/531,766.77
  6. Step 6: Final answer
    x = 400,276.50

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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.