Home / 1,215,535.96-1,823,305.02-316,976.68

Finding the Fourth Proportional to 1,215,535.96, 1,823,305.02 and 316,976.68

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Solution

The fourth proportional to 1,215,535.96, 1,823,305.02 and 316,976.68 is: 475,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,535.96 : 1,823,305.02 = 316,976.68 : x
  2. Step 2: Convert to fraction form
    1,215,535.96/1,823,305.02 = 316,976.68/x
  3. Step 3: Cross multiply
    1,215,535.96x = 1,823,305.02 × 316,976.68
  4. Step 4: Simplify right side
    1,215,535.96x = 577,945,171,866.93
  5. Step 5: Solve for x
    x = 577,945,171,866.93/1,215,535.96
  6. Step 6: Final answer
    x = 475,465.30

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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.