Home / 727,534.80-1,091,302.20-699,541.20

Finding the Fourth Proportional to 727,534.80, 1,091,302.20 and 699,541.20

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Solution

The fourth proportional to 727,534.80, 1,091,302.20 and 699,541.20 is: 1,049,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,534.80 : 1,091,302.20 = 699,541.20 : x
  2. Step 2: Convert to fraction form
    727,534.80/1,091,302.20 = 699,541.20/x
  3. Step 3: Cross multiply
    727,534.80x = 1,091,302.20 × 699,541.20
  4. Step 4: Simplify right side
    727,534.80x = 763,410,850,550.64
  5. Step 5: Solve for x
    x = 763,410,850,550.64/727,534.80
  6. Step 6: Final answer
    x = 1,049,311.80

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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.