Home / 324,647.24-486,979.16-153,828.86

Finding the Fourth Proportional to 324,647.24, 486,979.16 and 153,828.86

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Solution

The fourth proportional to 324,647.24, 486,979.16 and 153,828.86 is: 230,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.24 : 486,979.16 = 153,828.86 : x
  2. Step 2: Convert to fraction form
    324,647.24/486,979.16 = 153,828.86/x
  3. Step 3: Cross multiply
    324,647.24x = 486,979.16 × 153,828.86
  4. Step 4: Simplify right side
    324,647.24x = 74,911,445,822.52
  5. Step 5: Solve for x
    x = 74,911,445,822.52/324,647.24
  6. Step 6: Final answer
    x = 230,747.22

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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.