Home / 639,050.09-881,941.82-363,494.25

Finding the Fourth Proportional to 639,050.09, 881,941.82 and 363,494.25

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Solution

The fourth proportional to 639,050.09, 881,941.82 and 363,494.25 is: 501,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,050.09 : 881,941.82 = 363,494.25 : x
  2. Step 2: Convert to fraction form
    639,050.09/881,941.82 = 363,494.25/x
  3. Step 3: Cross multiply
    639,050.09x = 881,941.82 × 363,494.25
  4. Step 4: Simplify right side
    639,050.09x = 320,580,776,903.56
  5. Step 5: Solve for x
    x = 320,580,776,903.56/639,050.09
  6. Step 6: Final answer
    x = 501,652.03

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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.