Home / 571,725.69-789,013.08-317,071.41

Finding the Fourth Proportional to 571,725.69, 789,013.08 and 317,071.41

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Solution

The fourth proportional to 571,725.69, 789,013.08 and 317,071.41 is: 437,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,725.69 : 789,013.08 = 317,071.41 : x
  2. Step 2: Convert to fraction form
    571,725.69/789,013.08 = 317,071.41/x
  3. Step 3: Cross multiply
    571,725.69x = 789,013.08 × 317,071.41
  4. Step 4: Simplify right side
    571,725.69x = 250,173,489,784.04
  5. Step 5: Solve for x
    x = 250,173,489,784.04/571,725.69
  6. Step 6: Final answer
    x = 437,576.09

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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.