Home / 531,814.86-733,918.32-290,101.50

Finding the Fourth Proportional to 531,814.86, 733,918.32 and 290,101.50

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Solution

The fourth proportional to 531,814.86, 733,918.32 and 290,101.50 is: 400,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,814.86 : 733,918.32 = 290,101.50 : x
  2. Step 2: Convert to fraction form
    531,814.86/733,918.32 = 290,101.50/x
  3. Step 3: Cross multiply
    531,814.86x = 733,918.32 × 290,101.50
  4. Step 4: Simplify right side
    531,814.86x = 212,910,805,509.48
  5. Step 5: Solve for x
    x = 212,910,805,509.48/531,814.86
  6. Step 6: Final answer
    x = 400,347.61

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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.