Home / 997,739.44-1,376,884.64-545,040.16

Finding the Fourth Proportional to 997,739.44, 1,376,884.64 and 545,040.16

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Solution

The fourth proportional to 997,739.44, 1,376,884.64 and 545,040.16 is: 752,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,739.44 : 1,376,884.64 = 545,040.16 : x
  2. Step 2: Convert to fraction form
    997,739.44/1,376,884.64 = 545,040.16/x
  3. Step 3: Cross multiply
    997,739.44x = 1,376,884.64 × 545,040.16
  4. Step 4: Simplify right side
    997,739.44x = 750,457,424,487.14
  5. Step 5: Solve for x
    x = 750,457,424,487.14/997,739.44
  6. Step 6: Final answer
    x = 752,157.72

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1.5x scale

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.