Home / 988,741.96-1,364,500.65-558,996.46

Finding the Fourth Proportional to 988,741.96, 1,364,500.65 and 558,996.46

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Solution

The fourth proportional to 988,741.96, 1,364,500.65 and 558,996.46 is: 771,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,741.96 : 1,364,500.65 = 558,996.46 : x
  2. Step 2: Convert to fraction form
    988,741.96/1,364,500.65 = 558,996.46/x
  3. Step 3: Cross multiply
    988,741.96x = 1,364,500.65 × 558,996.46
  4. Step 4: Simplify right side
    988,741.96x = 762,751,034,723.33
  5. Step 5: Solve for x
    x = 762,751,034,723.33/988,741.96
  6. Step 6: Final answer
    x = 771,435.89

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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.