Home / 516,361.08-712,576.86-286,917.42

Finding the Fourth Proportional to 516,361.08, 712,576.86 and 286,917.42

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Solution

The fourth proportional to 516,361.08, 712,576.86 and 286,917.42 is: 395,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,361.08 : 712,576.86 = 286,917.42 : x
  2. Step 2: Convert to fraction form
    516,361.08/712,576.86 = 286,917.42/x
  3. Step 3: Cross multiply
    516,361.08x = 712,576.86 × 286,917.42
  4. Step 4: Simplify right side
    516,361.08x = 204,450,714,222.90
  5. Step 5: Solve for x
    x = 204,450,714,222.90/516,361.08
  6. Step 6: Final answer
    x = 395,945.24

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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.