Home / 620,444.03-856,179.87-348,523.38

Finding the Fourth Proportional to 620,444.03, 856,179.87 and 348,523.38

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Solution

The fourth proportional to 620,444.03, 856,179.87 and 348,523.38 is: 480,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,444.03 : 856,179.87 = 348,523.38 : x
  2. Step 2: Convert to fraction form
    620,444.03/856,179.87 = 348,523.38/x
  3. Step 3: Cross multiply
    620,444.03x = 856,179.87 × 348,523.38
  4. Step 4: Simplify right side
    620,444.03x = 298,398,702,180.36
  5. Step 5: Solve for x
    x = 298,398,702,180.36/620,444.03
  6. Step 6: Final answer
    x = 480,943.79

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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.