Home / 930,736.72-1,396,406.04-457,089.94

Finding the Fourth Proportional to 930,736.72, 1,396,406.04 and 457,089.94

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Solution

The fourth proportional to 930,736.72, 1,396,406.04 and 457,089.94 is: 685,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,736.72 : 1,396,406.04 = 457,089.94 : x
  2. Step 2: Convert to fraction form
    930,736.72/1,396,406.04 = 457,089.94/x
  3. Step 3: Cross multiply
    930,736.72x = 1,396,406.04 × 457,089.94
  4. Step 4: Simplify right side
    930,736.72x = 638,283,153,039.24
  5. Step 5: Solve for x
    x = 638,283,153,039.24/930,736.72
  6. Step 6: Final answer
    x = 685,782.71

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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.