Home / 1,110,618.30-1,665,927.45-311,925.90

Finding the Fourth Proportional to 1,110,618.30, 1,665,927.45 and 311,925.90

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Solution

The fourth proportional to 1,110,618.30, 1,665,927.45 and 311,925.90 is: 467,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,618.30 : 1,665,927.45 = 311,925.90 : x
  2. Step 2: Convert to fraction form
    1,110,618.30/1,665,927.45 = 311,925.90/x
  3. Step 3: Cross multiply
    1,110,618.30x = 1,665,927.45 × 311,925.90
  4. Step 4: Simplify right side
    1,110,618.30x = 519,645,919,175.96
  5. Step 5: Solve for x
    x = 519,645,919,175.96/1,110,618.30
  6. Step 6: Final answer
    x = 467,888.85

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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.