Home / 476,513.80-657,559.14-261,652.36

Finding the Fourth Proportional to 476,513.80, 657,559.14 and 261,652.36

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Solution

The fourth proportional to 476,513.80, 657,559.14 and 261,652.36 is: 361,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,513.80 : 657,559.14 = 261,652.36 : x
  2. Step 2: Convert to fraction form
    476,513.80/657,559.14 = 261,652.36/x
  3. Step 3: Cross multiply
    476,513.80x = 657,559.14 × 261,652.36
  4. Step 4: Simplify right side
    476,513.80x = 172,051,900,820.57
  5. Step 5: Solve for x
    x = 172,051,900,820.57/476,513.80
  6. Step 6: Final answer
    x = 361,063.84

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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.