Home / 591,088.69-815,719.56-361,642.32

Finding the Fourth Proportional to 591,088.69, 815,719.56 and 361,642.32

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Solution

The fourth proportional to 591,088.69, 815,719.56 and 361,642.32 is: 499,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,088.69 : 815,719.56 = 361,642.32 : x
  2. Step 2: Convert to fraction form
    591,088.69/815,719.56 = 361,642.32/x
  3. Step 3: Cross multiply
    591,088.69x = 815,719.56 × 361,642.32
  4. Step 4: Simplify right side
    591,088.69x = 294,998,714,825.86
  5. Step 5: Solve for x
    x = 294,998,714,825.86/591,088.69
  6. Step 6: Final answer
    x = 499,076.91

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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.