Home / 735,671.10-1,103,506.65-380,793.90

Finding the Fourth Proportional to 735,671.10, 1,103,506.65 and 380,793.90

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Solution

The fourth proportional to 735,671.10, 1,103,506.65 and 380,793.90 is: 571,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,671.10 : 1,103,506.65 = 380,793.90 : x
  2. Step 2: Convert to fraction form
    735,671.10/1,103,506.65 = 380,793.90/x
  3. Step 3: Cross multiply
    735,671.10x = 1,103,506.65 × 380,793.90
  4. Step 4: Simplify right side
    735,671.10x = 420,208,600,929.44
  5. Step 5: Solve for x
    x = 420,208,600,929.44/735,671.10
  6. Step 6: Final answer
    x = 571,190.85

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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.