Home / 806,047.30-1,209,218.57-332,474.32

Finding the Fourth Proportional to 806,047.30, 1,209,218.57 and 332,474.32

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Solution

The fourth proportional to 806,047.30, 1,209,218.57 and 332,474.32 is: 498,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,047.30 : 1,209,218.57 = 332,474.32 : x
  2. Step 2: Convert to fraction form
    806,047.30/1,209,218.57 = 332,474.32/x
  3. Step 3: Cross multiply
    806,047.30x = 1,209,218.57 × 332,474.32
  4. Step 4: Simplify right side
    806,047.30x = 402,034,114,083.66
  5. Step 5: Solve for x
    x = 402,034,114,083.66/806,047.30
  6. Step 6: Final answer
    x = 498,772.36

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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.