Home / 821,274.24-1,133,346.38-458,703.12

Finding the Fourth Proportional to 821,274.24, 1,133,346.38 and 458,703.12

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Solution

The fourth proportional to 821,274.24, 1,133,346.38 and 458,703.12 is: 633,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,274.24 : 1,133,346.38 = 458,703.12 : x
  2. Step 2: Convert to fraction form
    821,274.24/1,133,346.38 = 458,703.12/x
  3. Step 3: Cross multiply
    821,274.24x = 1,133,346.38 × 458,703.12
  4. Step 4: Simplify right side
    821,274.24x = 519,869,520,546.71
  5. Step 5: Solve for x
    x = 519,869,520,546.71/821,274.24
  6. Step 6: Final answer
    x = 633,003.56

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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.