Home / 873,168.46-1,204,999.26-486,005.39

Finding the Fourth Proportional to 873,168.46, 1,204,999.26 and 486,005.39

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Solution

The fourth proportional to 873,168.46, 1,204,999.26 and 486,005.39 is: 670,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,168.46 : 1,204,999.26 = 486,005.39 : x
  2. Step 2: Convert to fraction form
    873,168.46/1,204,999.26 = 486,005.39/x
  3. Step 3: Cross multiply
    873,168.46x = 1,204,999.26 × 486,005.39
  4. Step 4: Simplify right side
    873,168.46x = 585,636,133,362.91
  5. Step 5: Solve for x
    x = 585,636,133,362.91/873,168.46
  6. Step 6: Final answer
    x = 670,702.35

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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.