Home / 716,671.38-1,073,825.46-416,308.80

Finding the Fourth Proportional to 716,671.38, 1,073,825.46 and 416,308.80

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Solution

The fourth proportional to 716,671.38, 1,073,825.46 and 416,308.80 is: 623,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,671.38 : 1,073,825.46 = 416,308.80 : x
  2. Step 2: Convert to fraction form
    716,671.38/1,073,825.46 = 416,308.80/x
  3. Step 3: Cross multiply
    716,671.38x = 1,073,825.46 × 416,308.80
  4. Step 4: Simplify right side
    716,671.38x = 447,042,988,662.05
  5. Step 5: Solve for x
    x = 447,042,988,662.05/716,671.38
  6. Step 6: Final answer
    x = 623,776.81

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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.