Home / 476,228.90-657,236.21-261,405.35

Finding the Fourth Proportional to 476,228.90, 657,236.21 and 261,405.35

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Solution

The fourth proportional to 476,228.90, 657,236.21 and 261,405.35 is: 360,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,228.90 : 657,236.21 = 261,405.35 : x
  2. Step 2: Convert to fraction form
    476,228.90/657,236.21 = 261,405.35/x
  3. Step 3: Cross multiply
    476,228.90x = 657,236.21 × 261,405.35
  4. Step 4: Simplify right side
    476,228.90x = 171,805,056,914.52
  5. Step 5: Solve for x
    x = 171,805,056,914.52/476,228.90
  6. Step 6: Final answer
    x = 360,761.51

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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.