Home / 737,728.83-1,105,996.55-310,989.11

Finding the Fourth Proportional to 737,728.83, 1,105,996.55 and 310,989.11

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Solution

The fourth proportional to 737,728.83, 1,105,996.55 and 310,989.11 is: 466,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,728.83 : 1,105,996.55 = 310,989.11 : x
  2. Step 2: Convert to fraction form
    737,728.83/1,105,996.55 = 310,989.11/x
  3. Step 3: Cross multiply
    737,728.83x = 1,105,996.55 × 310,989.11
  4. Step 4: Simplify right side
    737,728.83x = 343,952,875,662.64
  5. Step 5: Solve for x
    x = 343,952,875,662.64/737,728.83
  6. Step 6: Final answer
    x = 466,232.12

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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.