Home / 1,063,744.56-1,595,149.92-398,430

Finding the Fourth Proportional to 1,063,744.56, 1,595,149.92 and 398,430

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Solution

The fourth proportional to 1,063,744.56, 1,595,149.92 and 398,430 is: 597,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,744.56 : 1,595,149.92 = 398,430 : x
  2. Step 2: Convert to fraction form
    1,063,744.56/1,595,149.92 = 398,430/x
  3. Step 3: Cross multiply
    1,063,744.56x = 1,595,149.92 × 398,430
  4. Step 4: Simplify right side
    1,063,744.56x = 635,555,582,625.60
  5. Step 5: Solve for x
    x = 635,555,582,625.60/1,063,744.56
  6. Step 6: Final answer
    x = 597,470.11

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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.