Home / 839,930.30-1,259,895.45-741,952.70

Finding the Fourth Proportional to 839,930.30, 1,259,895.45 and 741,952.70

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Solution

The fourth proportional to 839,930.30, 1,259,895.45 and 741,952.70 is: 1,112,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,930.30 : 1,259,895.45 = 741,952.70 : x
  2. Step 2: Convert to fraction form
    839,930.30/1,259,895.45 = 741,952.70/x
  3. Step 3: Cross multiply
    839,930.30x = 1,259,895.45 × 741,952.70
  4. Step 4: Simplify right side
    839,930.30x = 934,782,830,845.22
  5. Step 5: Solve for x
    x = 934,782,830,845.22/839,930.30
  6. Step 6: Final answer
    x = 1,112,929.05

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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.