Home / 816,438.79-1,224,675.06-297,096.23

Finding the Fourth Proportional to 816,438.79, 1,224,675.06 and 297,096.23

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Solution

The fourth proportional to 816,438.79, 1,224,675.06 and 297,096.23 is: 445,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,438.79 : 1,224,675.06 = 297,096.23 : x
  2. Step 2: Convert to fraction form
    816,438.79/1,224,675.06 = 297,096.23/x
  3. Step 3: Cross multiply
    816,438.79x = 1,224,675.06 × 297,096.23
  4. Step 4: Simplify right side
    816,438.79x = 363,846,347,977.02
  5. Step 5: Solve for x
    x = 363,846,347,977.02/816,438.79
  6. Step 6: Final answer
    x = 445,650.49

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Double scale
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Similar ratio
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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.