Home / 415,941.88-623,888.19-116,415.82

Finding the Fourth Proportional to 415,941.88, 623,888.19 and 116,415.82

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Solution

The fourth proportional to 415,941.88, 623,888.19 and 116,415.82 is: 174,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,941.88 : 623,888.19 = 116,415.82 : x
  2. Step 2: Convert to fraction form
    415,941.88/623,888.19 = 116,415.82/x
  3. Step 3: Cross multiply
    415,941.88x = 623,888.19 × 116,415.82
  4. Step 4: Simplify right side
    415,941.88x = 72,630,455,227.17
  5. Step 5: Solve for x
    x = 72,630,455,227.17/415,941.88
  6. Step 6: Final answer
    x = 174,616.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.