Home / 531,772.80-733,848.74-290,060.56

Finding the Fourth Proportional to 531,772.80, 733,848.74 and 290,060.56

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Solution

The fourth proportional to 531,772.80, 733,848.74 and 290,060.56 is: 400,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,772.80 : 733,848.74 = 290,060.56 : x
  2. Step 2: Convert to fraction form
    531,772.80/733,848.74 = 290,060.56/x
  3. Step 3: Cross multiply
    531,772.80x = 733,848.74 × 290,060.56
  4. Step 4: Simplify right side
    531,772.80x = 212,860,576,479.69
  5. Step 5: Solve for x
    x = 212,860,576,479.69/531,772.80
  6. Step 6: Final answer
    x = 400,284.81

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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.