Home / 863,040.16-1,295,003.88-661,928.14

Finding the Fourth Proportional to 863,040.16, 1,295,003.88 and 661,928.14

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Solution

The fourth proportional to 863,040.16, 1,295,003.88 and 661,928.14 is: 993,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,040.16 : 1,295,003.88 = 661,928.14 : x
  2. Step 2: Convert to fraction form
    863,040.16/1,295,003.88 = 661,928.14/x
  3. Step 3: Cross multiply
    863,040.16x = 1,295,003.88 × 661,928.14
  4. Step 4: Simplify right side
    863,040.16x = 857,199,509,581.18
  5. Step 5: Solve for x
    x = 857,199,509,581.18/863,040.16
  6. Step 6: Final answer
    x = 993,232.47

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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.