Home / 691,452.54-1,037,331.15-211,683.96

Finding the Fourth Proportional to 691,452.54, 1,037,331.15 and 211,683.96

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Solution

The fourth proportional to 691,452.54, 1,037,331.15 and 211,683.96 is: 317,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,452.54 : 1,037,331.15 = 211,683.96 : x
  2. Step 2: Convert to fraction form
    691,452.54/1,037,331.15 = 211,683.96/x
  3. Step 3: Cross multiply
    691,452.54x = 1,037,331.15 × 211,683.96
  4. Step 4: Simplify right side
    691,452.54x = 219,586,365,663.35
  5. Step 5: Solve for x
    x = 219,586,365,663.35/691,452.54
  6. Step 6: Final answer
    x = 317,572.58

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1.5x scale

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.