Home / 911,398.56-1,365,908.76-659,527.44

Finding the Fourth Proportional to 911,398.56, 1,365,908.76 and 659,527.44

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Solution

The fourth proportional to 911,398.56, 1,365,908.76 and 659,527.44 is: 988,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,398.56 : 1,365,908.76 = 659,527.44 : x
  2. Step 2: Convert to fraction form
    911,398.56/1,365,908.76 = 659,527.44/x
  3. Step 3: Cross multiply
    911,398.56x = 1,365,908.76 × 659,527.44
  4. Step 4: Simplify right side
    911,398.56x = 900,854,307,756.37
  5. Step 5: Solve for x
    x = 900,854,307,756.37/911,398.56
  6. Step 6: Final answer
    x = 988,430.69

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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.