Home / 446,572.20-670,376.70-269,279.40

Finding the Fourth Proportional to 446,572.20, 670,376.70 and 269,279.40

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Solution

The fourth proportional to 446,572.20, 670,376.70 and 269,279.40 is: 404,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,572.20 : 670,376.70 = 269,279.40 : x
  2. Step 2: Convert to fraction form
    446,572.20/670,376.70 = 269,279.40/x
  3. Step 3: Cross multiply
    446,572.20x = 670,376.70 × 269,279.40
  4. Step 4: Simplify right side
    446,572.20x = 180,518,635,549.98
  5. Step 5: Solve for x
    x = 180,518,635,549.98/446,572.20
  6. Step 6: Final answer
    x = 404,231.69

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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.