Home / 821,775.46-1,134,028.36-459,202.32

Finding the Fourth Proportional to 821,775.46, 1,134,028.36 and 459,202.32

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Solution

The fourth proportional to 821,775.46, 1,134,028.36 and 459,202.32 is: 633,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,775.46 : 1,134,028.36 = 459,202.32 : x
  2. Step 2: Convert to fraction form
    821,775.46/1,134,028.36 = 459,202.32/x
  3. Step 3: Cross multiply
    821,775.46x = 1,134,028.36 × 459,202.32
  4. Step 4: Simplify right side
    821,775.46x = 520,748,453,857.80
  5. Step 5: Solve for x
    x = 520,748,453,857.80/821,775.46
  6. Step 6: Final answer
    x = 633,687.03

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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.