Home / 395,743.05-592,195.64-342,617.76

Finding the Fourth Proportional to 395,743.05, 592,195.64 and 342,617.76

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Solution

The fourth proportional to 395,743.05, 592,195.64 and 342,617.76 is: 512,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,743.05 : 592,195.64 = 342,617.76 : x
  2. Step 2: Convert to fraction form
    395,743.05/592,195.64 = 342,617.76/x
  3. Step 3: Cross multiply
    395,743.05x = 592,195.64 × 342,617.76
  4. Step 4: Simplify right side
    395,743.05x = 202,896,741,945.48
  5. Step 5: Solve for x
    x = 202,896,741,945.48/395,743.05
  6. Step 6: Final answer
    x = 512,698.18

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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.