Home / 479,340.03-661,728.92-298,110.33

Finding the Fourth Proportional to 479,340.03, 661,728.92 and 298,110.33

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Solution

The fourth proportional to 479,340.03, 661,728.92 and 298,110.33 is: 411,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,340.03 : 661,728.92 = 298,110.33 : x
  2. Step 2: Convert to fraction form
    479,340.03/661,728.92 = 298,110.33/x
  3. Step 3: Cross multiply
    479,340.03x = 661,728.92 × 298,110.33
  4. Step 4: Simplify right side
    479,340.03x = 197,268,225,221.19
  5. Step 5: Solve for x
    x = 197,268,225,221.19/479,340.03
  6. Step 6: Final answer
    x = 411,541.31

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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.