Home / 739,187.46-1,108,851.21-206,708.40

Finding the Fourth Proportional to 739,187.46, 1,108,851.21 and 206,708.40

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Solution

The fourth proportional to 739,187.46, 1,108,851.21 and 206,708.40 is: 310,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,187.46 : 1,108,851.21 = 206,708.40 : x
  2. Step 2: Convert to fraction form
    739,187.46/1,108,851.21 = 206,708.40/x
  3. Step 3: Cross multiply
    739,187.46x = 1,108,851.21 × 206,708.40
  4. Step 4: Simplify right side
    739,187.46x = 229,208,859,457.16
  5. Step 5: Solve for x
    x = 229,208,859,457.16/739,187.46
  6. Step 6: Final answer
    x = 310,082.18

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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.