Home / 1,216,483.11-1,678,716.90-672,604.56

Finding the Fourth Proportional to 1,216,483.11, 1,678,716.90 and 672,604.56

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Solution

The fourth proportional to 1,216,483.11, 1,678,716.90 and 672,604.56 is: 928,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,483.11 : 1,678,716.90 = 672,604.56 : x
  2. Step 2: Convert to fraction form
    1,216,483.11/1,678,716.90 = 672,604.56/x
  3. Step 3: Cross multiply
    1,216,483.11x = 1,678,716.90 × 672,604.56
  4. Step 4: Simplify right side
    1,216,483.11x = 1,129,112,641,889.06
  5. Step 5: Solve for x
    x = 1,129,112,641,889.06/1,216,483.11
  6. Step 6: Final answer
    x = 928,177.82

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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.