Home / 681,582.09-940,589.00-375,659.24

Finding the Fourth Proportional to 681,582.09, 940,589.00 and 375,659.24

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Solution

The fourth proportional to 681,582.09, 940,589.00 and 375,659.24 is: 518,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,582.09 : 940,589.00 = 375,659.24 : x
  2. Step 2: Convert to fraction form
    681,582.09/940,589.00 = 375,659.24/x
  3. Step 3: Cross multiply
    681,582.09x = 940,589.00 × 375,659.24
  4. Step 4: Simplify right side
    681,582.09x = 353,340,942,311.12
  5. Step 5: Solve for x
    x = 353,340,942,311.12/681,582.09
  6. Step 6: Final answer
    x = 518,412.89

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1.5x scale

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.