Home / 486,226.35-670,189.25-325,022.58

Finding the Fourth Proportional to 486,226.35, 670,189.25 and 325,022.58

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Solution

The fourth proportional to 486,226.35, 670,189.25 and 325,022.58 is: 447,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,226.35 : 670,189.25 = 325,022.58 : x
  2. Step 2: Convert to fraction form
    486,226.35/670,189.25 = 325,022.58/x
  3. Step 3: Cross multiply
    486,226.35x = 670,189.25 × 325,022.58
  4. Step 4: Simplify right side
    486,226.35x = 217,826,637,498.15
  5. Step 5: Solve for x
    x = 217,826,637,498.15/486,226.35
  6. Step 6: Final answer
    x = 447,994.31

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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.