Home / 461,528.82-636,941.75-257,619.42

Finding the Fourth Proportional to 461,528.82, 636,941.75 and 257,619.42

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Solution

The fourth proportional to 461,528.82, 636,941.75 and 257,619.42 is: 355,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,528.82 : 636,941.75 = 257,619.42 : x
  2. Step 2: Convert to fraction form
    461,528.82/636,941.75 = 257,619.42/x
  3. Step 3: Cross multiply
    461,528.82x = 636,941.75 × 257,619.42
  4. Step 4: Simplify right side
    461,528.82x = 164,088,562,920.69
  5. Step 5: Solve for x
    x = 164,088,562,920.69/461,528.82
  6. Step 6: Final answer
    x = 355,532.65

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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.