Home / 673,319.25-929,200.05-371,532.69

Finding the Fourth Proportional to 673,319.25, 929,200.05 and 371,532.69

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Solution

The fourth proportional to 673,319.25, 929,200.05 and 371,532.69 is: 512,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,319.25 : 929,200.05 = 371,532.69 : x
  2. Step 2: Convert to fraction form
    673,319.25/929,200.05 = 371,532.69/x
  3. Step 3: Cross multiply
    673,319.25x = 929,200.05 × 371,532.69
  4. Step 4: Simplify right side
    673,319.25x = 345,228,194,124.64
  5. Step 5: Solve for x
    x = 345,228,194,124.64/673,319.25
  6. Step 6: Final answer
    x = 512,725.86

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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.