Home / 384,218.13-530,226.48-214,452.25

Finding the Fourth Proportional to 384,218.13, 530,226.48 and 214,452.25

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Solution

The fourth proportional to 384,218.13, 530,226.48 and 214,452.25 is: 295,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,218.13 : 530,226.48 = 214,452.25 : x
  2. Step 2: Convert to fraction form
    384,218.13/530,226.48 = 214,452.25/x
  3. Step 3: Cross multiply
    384,218.13x = 530,226.48 × 214,452.25
  4. Step 4: Simplify right side
    384,218.13x = 113,708,261,645.58
  5. Step 5: Solve for x
    x = 113,708,261,645.58/384,218.13
  6. Step 6: Final answer
    x = 295,947.15

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1.5x scale

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.