Home / 622,535.96-859,122.54-346,918.58

Finding the Fourth Proportional to 622,535.96, 859,122.54 and 346,918.58

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Solution

The fourth proportional to 622,535.96, 859,122.54 and 346,918.58 is: 478,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,535.96 : 859,122.54 = 346,918.58 : x
  2. Step 2: Convert to fraction form
    622,535.96/859,122.54 = 346,918.58/x
  3. Step 3: Cross multiply
    622,535.96x = 859,122.54 × 346,918.58
  4. Step 4: Simplify right side
    622,535.96x = 298,045,571,622.79
  5. Step 5: Solve for x
    x = 298,045,571,622.79/622,535.96
  6. Step 6: Final answer
    x = 478,760.41

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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.