Home / 300,935.16-452,107.89-283,912.05

Finding the Fourth Proportional to 300,935.16, 452,107.89 and 283,912.05

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Solution

The fourth proportional to 300,935.16, 452,107.89 and 283,912.05 is: 426,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,935.16 : 452,107.89 = 283,912.05 : x
  2. Step 2: Convert to fraction form
    300,935.16/452,107.89 = 283,912.05/x
  3. Step 3: Cross multiply
    300,935.16x = 452,107.89 × 283,912.05
  4. Step 4: Simplify right side
    300,935.16x = 128,358,877,871.08
  5. Step 5: Solve for x
    x = 128,358,877,871.08/300,935.16
  6. Step 6: Final answer
    x = 426,533.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.