Home / 516,183.06-712,446.48-286,819.16

Finding the Fourth Proportional to 516,183.06, 712,446.48 and 286,819.16

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Solution

The fourth proportional to 516,183.06, 712,446.48 and 286,819.16 is: 395,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,183.06 : 712,446.48 = 286,819.16 : x
  2. Step 2: Convert to fraction form
    516,183.06/712,446.48 = 286,819.16/x
  3. Step 3: Cross multiply
    516,183.06x = 712,446.48 × 286,819.16
  4. Step 4: Simplify right side
    516,183.06x = 204,343,301,383.84
  5. Step 5: Solve for x
    x = 204,343,301,383.84/516,183.06
  6. Step 6: Final answer
    x = 395,873.70

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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.