Home / 703,655.15-1,055,548.43-198,215.28

Finding the Fourth Proportional to 703,655.15, 1,055,548.43 and 198,215.28

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Solution

The fourth proportional to 703,655.15, 1,055,548.43 and 198,215.28 is: 297,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,655.15 : 1,055,548.43 = 198,215.28 : x
  2. Step 2: Convert to fraction form
    703,655.15/1,055,548.43 = 198,215.28/x
  3. Step 3: Cross multiply
    703,655.15x = 1,055,548.43 × 198,215.28
  4. Step 4: Simplify right side
    703,655.15x = 209,225,826,614.93
  5. Step 5: Solve for x
    x = 209,225,826,614.93/703,655.15
  6. Step 6: Final answer
    x = 297,341.43

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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.