Home / 756,648.64-1,044,148.44-412,477.52

Finding the Fourth Proportional to 756,648.64, 1,044,148.44 and 412,477.52

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Solution

The fourth proportional to 756,648.64, 1,044,148.44 and 412,477.52 is: 569,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,648.64 : 1,044,148.44 = 412,477.52 : x
  2. Step 2: Convert to fraction form
    756,648.64/1,044,148.44 = 412,477.52/x
  3. Step 3: Cross multiply
    756,648.64x = 1,044,148.44 × 412,477.52
  4. Step 4: Simplify right side
    756,648.64x = 430,687,759,043.07
  5. Step 5: Solve for x
    x = 430,687,759,043.07/756,648.64
  6. Step 6: Final answer
    x = 569,204.43

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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.