Home / 521,927.04-719,860.32-449,455.44

Finding the Fourth Proportional to 521,927.04, 719,860.32 and 449,455.44

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Solution

The fourth proportional to 521,927.04, 719,860.32 and 449,455.44 is: 619,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,927.04 : 719,860.32 = 449,455.44 : x
  2. Step 2: Convert to fraction form
    521,927.04/719,860.32 = 449,455.44/x
  3. Step 3: Cross multiply
    521,927.04x = 719,860.32 × 449,455.44
  4. Step 4: Simplify right side
    521,927.04x = 323,545,136,864.14
  5. Step 5: Solve for x
    x = 323,545,136,864.14/521,927.04
  6. Step 6: Final answer
    x = 619,904.91

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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.