Home / 1,131,854.72-1,697,795.74-448,909.29

Finding the Fourth Proportional to 1,131,854.72, 1,697,795.74 and 448,909.29

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Solution

The fourth proportional to 1,131,854.72, 1,697,795.74 and 448,909.29 is: 673,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,854.72 : 1,697,795.74 = 448,909.29 : x
  2. Step 2: Convert to fraction form
    1,131,854.72/1,697,795.74 = 448,909.29/x
  3. Step 3: Cross multiply
    1,131,854.72x = 1,697,795.74 × 448,909.29
  4. Step 4: Simplify right side
    1,131,854.72x = 762,156,280,769.56
  5. Step 5: Solve for x
    x = 762,156,280,769.56/1,131,854.72
  6. Step 6: Final answer
    x = 673,369.36

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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.