Home / 945,934.02-1,305,416.46-516,241.80

Finding the Fourth Proportional to 945,934.02, 1,305,416.46 and 516,241.80

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Solution

The fourth proportional to 945,934.02, 1,305,416.46 and 516,241.80 is: 712,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,934.02 : 1,305,416.46 = 516,241.80 : x
  2. Step 2: Convert to fraction form
    945,934.02/1,305,416.46 = 516,241.80/x
  3. Step 3: Cross multiply
    945,934.02x = 1,305,416.46 × 516,241.80
  4. Step 4: Simplify right side
    945,934.02x = 673,910,543,060.03
  5. Step 5: Solve for x
    x = 673,910,543,060.03/945,934.02
  6. Step 6: Final answer
    x = 712,428.70

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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.