Home / 579,101.28-799,550.40-361,642.24

Finding the Fourth Proportional to 579,101.28, 799,550.40 and 361,642.24

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Solution

The fourth proportional to 579,101.28, 799,550.40 and 361,642.24 is: 499,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,101.28 : 799,550.40 = 361,642.24 : x
  2. Step 2: Convert to fraction form
    579,101.28/799,550.40 = 361,642.24/x
  3. Step 3: Cross multiply
    579,101.28x = 799,550.40 × 361,642.24
  4. Step 4: Simplify right side
    579,101.28x = 289,151,197,648.90
  5. Step 5: Solve for x
    x = 289,151,197,648.90/579,101.28
  6. Step 6: Final answer
    x = 499,310.24

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Double scale
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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.