Home / 756,546.43-1,044,002.64-412,374.78

Finding the Fourth Proportional to 756,546.43, 1,044,002.64 and 412,374.78

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Solution

The fourth proportional to 756,546.43, 1,044,002.64 and 412,374.78 is: 569,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,546.43 : 1,044,002.64 = 412,374.78 : x
  2. Step 2: Convert to fraction form
    756,546.43/1,044,002.64 = 412,374.78/x
  3. Step 3: Cross multiply
    756,546.43x = 1,044,002.64 × 412,374.78
  4. Step 4: Simplify right side
    756,546.43x = 430,520,358,216.22
  5. Step 5: Solve for x
    x = 430,520,358,216.22/756,546.43
  6. Step 6: Final answer
    x = 569,060.06

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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.