Home / 468,534.90-646,314.21-296,399.46

Finding the Fourth Proportional to 468,534.90, 646,314.21 and 296,399.46

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Solution

The fourth proportional to 468,534.90, 646,314.21 and 296,399.46 is: 408,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,534.90 : 646,314.21 = 296,399.46 : x
  2. Step 2: Convert to fraction form
    468,534.90/646,314.21 = 296,399.46/x
  3. Step 3: Cross multiply
    468,534.90x = 646,314.21 × 296,399.46
  4. Step 4: Simplify right side
    468,534.90x = 191,567,182,834.33
  5. Step 5: Solve for x
    x = 191,567,182,834.33/468,534.90
  6. Step 6: Final answer
    x = 408,864.28

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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.