Home / 628,793.10-943,189.65-376,850.70

Finding the Fourth Proportional to 628,793.10, 943,189.65 and 376,850.70

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Solution

The fourth proportional to 628,793.10, 943,189.65 and 376,850.70 is: 565,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,793.10 : 943,189.65 = 376,850.70 : x
  2. Step 2: Convert to fraction form
    628,793.10/943,189.65 = 376,850.70/x
  3. Step 3: Cross multiply
    628,793.10x = 943,189.65 × 376,850.70
  4. Step 4: Simplify right side
    628,793.10x = 355,441,679,835.26
  5. Step 5: Solve for x
    x = 355,441,679,835.26/628,793.10
  6. Step 6: Final answer
    x = 565,276.05

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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.