Home / 782,590.80-1,173,886.20-383,293.20

Finding the Fourth Proportional to 782,590.80, 1,173,886.20 and 383,293.20

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Solution

The fourth proportional to 782,590.80, 1,173,886.20 and 383,293.20 is: 574,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,590.80 : 1,173,886.20 = 383,293.20 : x
  2. Step 2: Convert to fraction form
    782,590.80/1,173,886.20 = 383,293.20/x
  3. Step 3: Cross multiply
    782,590.80x = 1,173,886.20 × 383,293.20
  4. Step 4: Simplify right side
    782,590.80x = 449,942,598,033.84
  5. Step 5: Solve for x
    x = 449,942,598,033.84/782,590.80
  6. Step 6: Final answer
    x = 574,939.80

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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.