Home / 275,721.60-413,582.40-264,057.60

Finding the Fourth Proportional to 275,721.60, 413,582.40 and 264,057.60

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Solution

The fourth proportional to 275,721.60, 413,582.40 and 264,057.60 is: 396,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,721.60 : 413,582.40 = 264,057.60 : x
  2. Step 2: Convert to fraction form
    275,721.60/413,582.40 = 264,057.60/x
  3. Step 3: Cross multiply
    275,721.60x = 413,582.40 × 264,057.60
  4. Step 4: Simplify right side
    275,721.60x = 109,209,575,946.24
  5. Step 5: Solve for x
    x = 109,209,575,946.24/275,721.60
  6. Step 6: Final answer
    x = 396,086.40

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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.