Home / 1,182,436.80-1,631,764.35-673,138.50

Finding the Fourth Proportional to 1,182,436.80, 1,631,764.35 and 673,138.50

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Solution

The fourth proportional to 1,182,436.80, 1,631,764.35 and 673,138.50 is: 928,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,436.80 : 1,631,764.35 = 673,138.50 : x
  2. Step 2: Convert to fraction form
    1,182,436.80/1,631,764.35 = 673,138.50/x
  3. Step 3: Cross multiply
    1,182,436.80x = 1,631,764.35 × 673,138.50
  4. Step 4: Simplify right side
    1,182,436.80x = 1,098,403,406,912.48
  5. Step 5: Solve for x
    x = 1,098,403,406,912.48/1,182,436.80
  6. Step 6: Final answer
    x = 928,932.02

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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.