Home / 963,189.44-1,330,094.93-721,051.64

Finding the Fourth Proportional to 963,189.44, 1,330,094.93 and 721,051.64

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Solution

The fourth proportional to 963,189.44, 1,330,094.93 and 721,051.64 is: 995,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,189.44 : 1,330,094.93 = 721,051.64 : x
  2. Step 2: Convert to fraction form
    963,189.44/1,330,094.93 = 721,051.64/x
  3. Step 3: Cross multiply
    963,189.44x = 1,330,094.93 × 721,051.64
  4. Step 4: Simplify right side
    963,189.44x = 959,067,125,364.31
  5. Step 5: Solve for x
    x = 959,067,125,364.31/963,189.44
  6. Step 6: Final answer
    x = 995,720.14

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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.