Home / 746,630.20-1,119,945.30-657,983.80

Finding the Fourth Proportional to 746,630.20, 1,119,945.30 and 657,983.80

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Solution

The fourth proportional to 746,630.20, 1,119,945.30 and 657,983.80 is: 986,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,630.20 : 1,119,945.30 = 657,983.80 : x
  2. Step 2: Convert to fraction form
    746,630.20/1,119,945.30 = 657,983.80/x
  3. Step 3: Cross multiply
    746,630.20x = 1,119,945.30 × 657,983.80
  4. Step 4: Simplify right side
    746,630.20x = 736,905,864,286.14
  5. Step 5: Solve for x
    x = 736,905,864,286.14/746,630.20
  6. Step 6: Final answer
    x = 986,975.70

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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.