Home / 840,535.73-1,159,933.73-477,959.61

Finding the Fourth Proportional to 840,535.73, 1,159,933.73 and 477,959.61

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Solution

The fourth proportional to 840,535.73, 1,159,933.73 and 477,959.61 is: 659,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,535.73 : 1,159,933.73 = 477,959.61 : x
  2. Step 2: Convert to fraction form
    840,535.73/1,159,933.73 = 477,959.61/x
  3. Step 3: Cross multiply
    840,535.73x = 1,159,933.73 × 477,959.61
  4. Step 4: Simplify right side
    840,535.73x = 554,401,470,826.85
  5. Step 5: Solve for x
    x = 554,401,470,826.85/840,535.73
  6. Step 6: Final answer
    x = 659,581.09

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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.