Home / 531,374.82-733,291.29-289,652.10

Finding the Fourth Proportional to 531,374.82, 733,291.29 and 289,652.10

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Solution

The fourth proportional to 531,374.82, 733,291.29 and 289,652.10 is: 399,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,374.82 : 733,291.29 = 289,652.10 : x
  2. Step 2: Convert to fraction form
    531,374.82/733,291.29 = 289,652.10/x
  3. Step 3: Cross multiply
    531,374.82x = 733,291.29 × 289,652.10
  4. Step 4: Simplify right side
    531,374.82x = 212,399,362,060.21
  5. Step 5: Solve for x
    x = 212,399,362,060.21/531,374.82
  6. Step 6: Final answer
    x = 399,716.65

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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.