Home / 956,579.50-1,320,172.86-714,441.64

Finding the Fourth Proportional to 956,579.50, 1,320,172.86 and 714,441.64

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Solution

The fourth proportional to 956,579.50, 1,320,172.86 and 714,441.64 is: 985,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,579.50 : 1,320,172.86 = 714,441.64 : x
  2. Step 2: Convert to fraction form
    956,579.50/1,320,172.86 = 714,441.64/x
  3. Step 3: Cross multiply
    956,579.50x = 1,320,172.86 × 714,441.64
  4. Step 4: Simplify right side
    956,579.50x = 943,186,463,181.89
  5. Step 5: Solve for x
    x = 943,186,463,181.89/956,579.50
  6. Step 6: Final answer
    x = 985,999.03

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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.