Home / 1,287,103.37-1,930,768.51-477,497.16

Finding the Fourth Proportional to 1,287,103.37, 1,930,768.51 and 477,497.16

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Solution

The fourth proportional to 1,287,103.37, 1,930,768.51 and 477,497.16 is: 716,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,103.37 : 1,930,768.51 = 477,497.16 : x
  2. Step 2: Convert to fraction form
    1,287,103.37/1,930,768.51 = 477,497.16/x
  3. Step 3: Cross multiply
    1,287,103.37x = 1,930,768.51 × 477,497.16
  4. Step 4: Simplify right side
    1,287,103.37x = 921,936,479,844.00
  5. Step 5: Solve for x
    x = 921,936,479,844.00/1,287,103.37
  6. Step 6: Final answer
    x = 716,287.83

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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.