Home / 476,652.40-657,784.20-261,795.04

Finding the Fourth Proportional to 476,652.40, 657,784.20 and 261,795.04

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Solution

The fourth proportional to 476,652.40, 657,784.20 and 261,795.04 is: 361,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,652.40 : 657,784.20 = 261,795.04 : x
  2. Step 2: Convert to fraction form
    476,652.40/657,784.20 = 261,795.04/x
  3. Step 3: Cross multiply
    476,652.40x = 657,784.20 × 261,795.04
  4. Step 4: Simplify right side
    476,652.40x = 172,204,640,950.37
  5. Step 5: Solve for x
    x = 172,204,640,950.37/476,652.40
  6. Step 6: Final answer
    x = 361,279.29

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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.