Home / 945,983.60-1,418,975.40-440,543.60

Finding the Fourth Proportional to 945,983.60, 1,418,975.40 and 440,543.60

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Solution

The fourth proportional to 945,983.60, 1,418,975.40 and 440,543.60 is: 660,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,983.60 : 1,418,975.40 = 440,543.60 : x
  2. Step 2: Convert to fraction form
    945,983.60/1,418,975.40 = 440,543.60/x
  3. Step 3: Cross multiply
    945,983.60x = 1,418,975.40 × 440,543.60
  4. Step 4: Simplify right side
    945,983.60x = 625,120,531,027.44
  5. Step 5: Solve for x
    x = 625,120,531,027.44/945,983.60
  6. Step 6: Final answer
    x = 660,815.40

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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.