Home / 628,346.25-867,052.17-356,327.19

Finding the Fourth Proportional to 628,346.25, 867,052.17 and 356,327.19

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Solution

The fourth proportional to 628,346.25, 867,052.17 and 356,327.19 is: 491,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,346.25 : 867,052.17 = 356,327.19 : x
  2. Step 2: Convert to fraction form
    628,346.25/867,052.17 = 356,327.19/x
  3. Step 3: Cross multiply
    628,346.25x = 867,052.17 × 356,327.19
  4. Step 4: Simplify right side
    628,346.25x = 308,954,263,319.50
  5. Step 5: Solve for x
    x = 308,954,263,319.50/628,346.25
  6. Step 6: Final answer
    x = 491,694.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.