Home / 716,207.76-1,072,869.90-331,414.26

Finding the Fourth Proportional to 716,207.76, 1,072,869.90 and 331,414.26

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Solution

The fourth proportional to 716,207.76, 1,072,869.90 and 331,414.26 is: 496,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,207.76 : 1,072,869.90 = 331,414.26 : x
  2. Step 2: Convert to fraction form
    716,207.76/1,072,869.90 = 331,414.26/x
  3. Step 3: Cross multiply
    716,207.76x = 1,072,869.90 × 331,414.26
  4. Step 4: Simplify right side
    716,207.76x = 355,564,383,984.77
  5. Step 5: Solve for x
    x = 355,564,383,984.77/716,207.76
  6. Step 6: Final answer
    x = 496,454.25

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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.