Home / 756,604.28-1,044,100.37-412,443.18

Finding the Fourth Proportional to 756,604.28, 1,044,100.37 and 412,443.18

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Solution

The fourth proportional to 756,604.28, 1,044,100.37 and 412,443.18 is: 569,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,604.28 : 1,044,100.37 = 412,443.18 : x
  2. Step 2: Convert to fraction form
    756,604.28/1,044,100.37 = 412,443.18/x
  3. Step 3: Cross multiply
    756,604.28x = 1,044,100.37 × 412,443.18
  4. Step 4: Simplify right side
    756,604.28x = 430,632,074,779.76
  5. Step 5: Solve for x
    x = 430,632,074,779.76/756,604.28
  6. Step 6: Final answer
    x = 569,164.21

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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.