Home / 622,536.96-859,123.92-346,919.58

Finding the Fourth Proportional to 622,536.96, 859,123.92 and 346,919.58

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Solution

The fourth proportional to 622,536.96, 859,123.92 and 346,919.58 is: 478,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,536.96 : 859,123.92 = 346,919.58 : x
  2. Step 2: Convert to fraction form
    622,536.96/859,123.92 = 346,919.58/x
  3. Step 3: Cross multiply
    622,536.96x = 859,123.92 × 346,919.58
  4. Step 4: Simplify right side
    622,536.96x = 298,046,909,494.35
  5. Step 5: Solve for x
    x = 298,046,909,494.35/622,536.96
  6. Step 6: Final answer
    x = 478,761.79

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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.