Home / 706,063.76-1,058,500.38-306,403.46

Finding the Fourth Proportional to 706,063.76, 1,058,500.38 and 306,403.46

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Solution

The fourth proportional to 706,063.76, 1,058,500.38 and 306,403.46 is: 459,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,063.76 : 1,058,500.38 = 306,403.46 : x
  2. Step 2: Convert to fraction form
    706,063.76/1,058,500.38 = 306,403.46/x
  3. Step 3: Cross multiply
    706,063.76x = 1,058,500.38 × 306,403.46
  4. Step 4: Simplify right side
    706,063.76x = 324,328,178,843.32
  5. Step 5: Solve for x
    x = 324,328,178,843.32/706,063.76
  6. Step 6: Final answer
    x = 459,346.87

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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.