Home / 1,160,126.98-1,600,951.11-643,850.89

Finding the Fourth Proportional to 1,160,126.98, 1,600,951.11 and 643,850.89

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Solution

The fourth proportional to 1,160,126.98, 1,600,951.11 and 643,850.89 is: 888,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,126.98 : 1,600,951.11 = 643,850.89 : x
  2. Step 2: Convert to fraction form
    1,160,126.98/1,600,951.11 = 643,850.89/x
  3. Step 3: Cross multiply
    1,160,126.98x = 1,600,951.11 × 643,850.89
  4. Step 4: Simplify right side
    1,160,126.98x = 1,030,773,797,019.99
  5. Step 5: Solve for x
    x = 1,030,773,797,019.99/1,160,126.98
  6. Step 6: Final answer
    x = 888,500.84

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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.