Home / 465,582.08-642,455.39-261,600.59

Finding the Fourth Proportional to 465,582.08, 642,455.39 and 261,600.59

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Solution

The fourth proportional to 465,582.08, 642,455.39 and 261,600.59 is: 360,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,582.08 : 642,455.39 = 261,600.59 : x
  2. Step 2: Convert to fraction form
    465,582.08/642,455.39 = 261,600.59/x
  3. Step 3: Cross multiply
    465,582.08x = 642,455.39 × 261,600.59
  4. Step 4: Simplify right side
    465,582.08x = 168,066,706,514.41
  5. Step 5: Solve for x
    x = 168,066,706,514.41/465,582.08
  6. Step 6: Final answer
    x = 360,981.91

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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.