Home / 1,291,072.04-1,936,262.07-392,272.45

Finding the Fourth Proportional to 1,291,072.04, 1,936,262.07 and 392,272.45

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Solution

The fourth proportional to 1,291,072.04, 1,936,262.07 and 392,272.45 is: 588,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,072.04 : 1,936,262.07 = 392,272.45 : x
  2. Step 2: Convert to fraction form
    1,291,072.04/1,936,262.07 = 392,272.45/x
  3. Step 3: Cross multiply
    1,291,072.04x = 1,936,262.07 × 392,272.45
  4. Step 4: Simplify right side
    1,291,072.04x = 759,542,256,098.80
  5. Step 5: Solve for x
    x = 759,542,256,098.80/1,291,072.04
  6. Step 6: Final answer
    x = 588,303.54

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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.