Home / 624,784.29-862,201.06-338,305.21

Finding the Fourth Proportional to 624,784.29, 862,201.06 and 338,305.21

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Solution

The fourth proportional to 624,784.29, 862,201.06 and 338,305.21 is: 466,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,784.29 : 862,201.06 = 338,305.21 : x
  2. Step 2: Convert to fraction form
    624,784.29/862,201.06 = 338,305.21/x
  3. Step 3: Cross multiply
    624,784.29x = 862,201.06 × 338,305.21
  4. Step 4: Simplify right side
    624,784.29x = 291,687,107,664.26
  5. Step 5: Solve for x
    x = 291,687,107,664.26/624,784.29
  6. Step 6: Final answer
    x = 466,860.51

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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.