Home / 628,145.10-942,217.65-376,202.70

Finding the Fourth Proportional to 628,145.10, 942,217.65 and 376,202.70

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Solution

The fourth proportional to 628,145.10, 942,217.65 and 376,202.70 is: 564,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,145.10 : 942,217.65 = 376,202.70 : x
  2. Step 2: Convert to fraction form
    628,145.10/942,217.65 = 376,202.70/x
  3. Step 3: Cross multiply
    628,145.10x = 942,217.65 × 376,202.70
  4. Step 4: Simplify right side
    628,145.10x = 354,464,823,917.66
  5. Step 5: Solve for x
    x = 354,464,823,917.66/628,145.10
  6. Step 6: Final answer
    x = 564,304.05

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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.