Home / 382,913.63-574,725.07-193,507.28

Finding the Fourth Proportional to 382,913.63, 574,725.07 and 193,507.28

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Solution

The fourth proportional to 382,913.63, 574,725.07 and 193,507.28 is: 290,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,913.63 : 574,725.07 = 193,507.28 : x
  2. Step 2: Convert to fraction form
    382,913.63/574,725.07 = 193,507.28/x
  3. Step 3: Cross multiply
    382,913.63x = 574,725.07 × 193,507.28
  4. Step 4: Simplify right side
    382,913.63x = 111,213,485,043.51
  5. Step 5: Solve for x
    x = 111,213,485,043.51/382,913.63
  6. Step 6: Final answer
    x = 290,440.13

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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.