Home / 807,639.18-1,114,549.44-445,076.04

Finding the Fourth Proportional to 807,639.18, 1,114,549.44 and 445,076.04

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Solution

The fourth proportional to 807,639.18, 1,114,549.44 and 445,076.04 is: 614,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,639.18 : 1,114,549.44 = 445,076.04 : x
  2. Step 2: Convert to fraction form
    807,639.18/1,114,549.44 = 445,076.04/x
  3. Step 3: Cross multiply
    807,639.18x = 1,114,549.44 × 445,076.04
  4. Step 4: Simplify right side
    807,639.18x = 496,059,251,139.42
  5. Step 5: Solve for x
    x = 496,059,251,139.42/807,639.18
  6. Step 6: Final answer
    x = 614,209.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.