Home / 739,223.80-1,108,835.70-664,574.20

Finding the Fourth Proportional to 739,223.80, 1,108,835.70 and 664,574.20

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Solution

The fourth proportional to 739,223.80, 1,108,835.70 and 664,574.20 is: 996,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,223.80 : 1,108,835.70 = 664,574.20 : x
  2. Step 2: Convert to fraction form
    739,223.80/1,108,835.70 = 664,574.20/x
  3. Step 3: Cross multiply
    739,223.80x = 1,108,835.70 × 664,574.20
  4. Step 4: Simplify right side
    739,223.80x = 736,903,598,258.94
  5. Step 5: Solve for x
    x = 736,903,598,258.94/739,223.80
  6. Step 6: Final answer
    x = 996,861.30

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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.