Home / 555,828.96-766,748.15-338,104.20

Finding the Fourth Proportional to 555,828.96, 766,748.15 and 338,104.20

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Solution

The fourth proportional to 555,828.96, 766,748.15 and 338,104.20 is: 466,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,828.96 : 766,748.15 = 338,104.20 : x
  2. Step 2: Convert to fraction form
    555,828.96/766,748.15 = 338,104.20/x
  3. Step 3: Cross multiply
    555,828.96x = 766,748.15 × 338,104.20
  4. Step 4: Simplify right side
    555,828.96x = 259,240,769,857.23
  5. Step 5: Solve for x
    x = 259,240,769,857.23/555,828.96
  6. Step 6: Final answer
    x = 466,403.86

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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.