Home / 1,385,557.08-1,912,262.24-773,749.30

Finding the Fourth Proportional to 1,385,557.08, 1,912,262.24 and 773,749.30

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Solution

The fourth proportional to 1,385,557.08, 1,912,262.24 and 773,749.30 is: 1,067,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,557.08 : 1,912,262.24 = 773,749.30 : x
  2. Step 2: Convert to fraction form
    1,385,557.08/1,912,262.24 = 773,749.30/x
  3. Step 3: Cross multiply
    1,385,557.08x = 1,912,262.24 × 773,749.30
  4. Step 4: Simplify right side
    1,385,557.08x = 1,479,611,569,616.43
  5. Step 5: Solve for x
    x = 1,479,611,569,616.43/1,385,557.08
  6. Step 6: Final answer
    x = 1,067,882.07

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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.