Home / 451,738.70-623,388.18-258,134.13

Finding the Fourth Proportional to 451,738.70, 623,388.18 and 258,134.13

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Solution

The fourth proportional to 451,738.70, 623,388.18 and 258,134.13 is: 356,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,738.70 : 623,388.18 = 258,134.13 : x
  2. Step 2: Convert to fraction form
    451,738.70/623,388.18 = 258,134.13/x
  3. Step 3: Cross multiply
    451,738.70x = 623,388.18 × 258,134.13
  4. Step 4: Simplify right side
    451,738.70x = 160,917,761,088.97
  5. Step 5: Solve for x
    x = 160,917,761,088.97/451,738.70
  6. Step 6: Final answer
    x = 356,218.67

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1.5x scale

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.