Home / 748,708.20-1,121,312.70-733,674.60

Finding the Fourth Proportional to 748,708.20, 1,121,312.70 and 733,674.60

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Solution

The fourth proportional to 748,708.20, 1,121,312.70 and 733,674.60 is: 1,098,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,708.20 : 1,121,312.70 = 733,674.60 : x
  2. Step 2: Convert to fraction form
    748,708.20/1,121,312.70 = 733,674.60/x
  3. Step 3: Cross multiply
    748,708.20x = 1,121,312.70 × 733,674.60
  4. Step 4: Simplify right side
    748,708.20x = 822,678,646,647.42
  5. Step 5: Solve for x
    x = 822,678,646,647.42/748,708.20
  6. Step 6: Final answer
    x = 1,098,797.43

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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.