Home / 338,779.40-467,512.38-185,814.45

Finding the Fourth Proportional to 338,779.40, 467,512.38 and 185,814.45

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Solution

The fourth proportional to 338,779.40, 467,512.38 and 185,814.45 is: 256,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,779.40 : 467,512.38 = 185,814.45 : x
  2. Step 2: Convert to fraction form
    338,779.40/467,512.38 = 185,814.45/x
  3. Step 3: Cross multiply
    338,779.40x = 467,512.38 × 185,814.45
  4. Step 4: Simplify right side
    338,779.40x = 86,870,555,757.89
  5. Step 5: Solve for x
    x = 86,870,555,757.89/338,779.40
  6. Step 6: Final answer
    x = 256,422.19

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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.