Home / 419,749.48-579,183.58-235,963.72

Finding the Fourth Proportional to 419,749.48, 579,183.58 and 235,963.72

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Solution

The fourth proportional to 419,749.48, 579,183.58 and 235,963.72 is: 325,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,749.48 : 579,183.58 = 235,963.72 : x
  2. Step 2: Convert to fraction form
    419,749.48/579,183.58 = 235,963.72/x
  3. Step 3: Cross multiply
    419,749.48x = 579,183.58 × 235,963.72
  4. Step 4: Simplify right side
    419,749.48x = 136,666,312,099.72
  5. Step 5: Solve for x
    x = 136,666,312,099.72/419,749.48
  6. Step 6: Final answer
    x = 325,590.19

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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.