Home / 719,195.04-1,078,458.84-419,762.16

Finding the Fourth Proportional to 719,195.04, 1,078,458.84 and 419,762.16

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Solution

The fourth proportional to 719,195.04, 1,078,458.84 and 419,762.16 is: 629,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,195.04 : 1,078,458.84 = 419,762.16 : x
  2. Step 2: Convert to fraction form
    719,195.04/1,078,458.84 = 419,762.16/x
  3. Step 3: Cross multiply
    719,195.04x = 1,078,458.84 × 419,762.16
  4. Step 4: Simplify right side
    719,195.04x = 452,696,212,149.49
  5. Step 5: Solve for x
    x = 452,696,212,149.49/719,195.04
  6. Step 6: Final answer
    x = 629,448.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.