Home / 593,534.94-819,428.31-389,941.62

Finding the Fourth Proportional to 593,534.94, 819,428.31 and 389,941.62

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Solution

The fourth proportional to 593,534.94, 819,428.31 and 389,941.62 is: 538,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,534.94 : 819,428.31 = 389,941.62 : x
  2. Step 2: Convert to fraction form
    593,534.94/819,428.31 = 389,941.62/x
  3. Step 3: Cross multiply
    593,534.94x = 819,428.31 × 389,941.62
  4. Step 4: Simplify right side
    593,534.94x = 319,529,202,675.26
  5. Step 5: Solve for x
    x = 319,529,202,675.26/593,534.94
  6. Step 6: Final answer
    x = 538,349.44

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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.