Home / 667,185.16-1,000,805.64-193,870.58

Finding the Fourth Proportional to 667,185.16, 1,000,805.64 and 193,870.58

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Solution

The fourth proportional to 667,185.16, 1,000,805.64 and 193,870.58 is: 290,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,185.16 : 1,000,805.64 = 193,870.58 : x
  2. Step 2: Convert to fraction form
    667,185.16/1,000,805.64 = 193,870.58/x
  3. Step 3: Cross multiply
    667,185.16x = 1,000,805.64 × 193,870.58
  4. Step 4: Simplify right side
    667,185.16x = 194,026,769,894.07
  5. Step 5: Solve for x
    x = 194,026,769,894.07/667,185.16
  6. Step 6: Final answer
    x = 290,813.98

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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.