Home / 431,180.06-590,719.54-415,018.81

Finding the Fourth Proportional to 431,180.06, 590,719.54 and 415,018.81

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Solution

The fourth proportional to 431,180.06, 590,719.54 and 415,018.81 is: 568,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,180.06 : 590,719.54 = 415,018.81 : x
  2. Step 2: Convert to fraction form
    431,180.06/590,719.54 = 415,018.81/x
  3. Step 3: Cross multiply
    431,180.06x = 590,719.54 × 415,018.81
  4. Step 4: Simplify right side
    431,180.06x = 245,159,715,505.86
  5. Step 5: Solve for x
    x = 245,159,715,505.86/431,180.06
  6. Step 6: Final answer
    x = 568,578.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.