Home / 1,217,776.72-1,680,535.12-673,950

Finding the Fourth Proportional to 1,217,776.72, 1,680,535.12 and 673,950

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Solution

The fourth proportional to 1,217,776.72, 1,680,535.12 and 673,950 is: 930,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,776.72 : 1,680,535.12 = 673,950 : x
  2. Step 2: Convert to fraction form
    1,217,776.72/1,680,535.12 = 673,950/x
  3. Step 3: Cross multiply
    1,217,776.72x = 1,680,535.12 × 673,950
  4. Step 4: Simplify right side
    1,217,776.72x = 1,132,596,644,124
  5. Step 5: Solve for x
    x = 1,132,596,644,124/1,217,776.72
  6. Step 6: Final answer
    x = 930,052.80

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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.