Home / 691,391.70-1,037,233.35-291,826.80

Finding the Fourth Proportional to 691,391.70, 1,037,233.35 and 291,826.80

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Solution

The fourth proportional to 691,391.70, 1,037,233.35 and 291,826.80 is: 437,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,391.70 : 1,037,233.35 = 291,826.80 : x
  2. Step 2: Convert to fraction form
    691,391.70/1,037,233.35 = 291,826.80/x
  3. Step 3: Cross multiply
    691,391.70x = 1,037,233.35 × 291,826.80
  4. Step 4: Simplify right side
    691,391.70x = 302,692,489,383.78
  5. Step 5: Solve for x
    x = 302,692,489,383.78/691,391.70
  6. Step 6: Final answer
    x = 437,801.74

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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.