Home / 486,832.32-729,180.36-401,634.18

Finding the Fourth Proportional to 486,832.32, 729,180.36 and 401,634.18

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Solution

The fourth proportional to 486,832.32, 729,180.36 and 401,634.18 is: 601,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,832.32 : 729,180.36 = 401,634.18 : x
  2. Step 2: Convert to fraction form
    486,832.32/729,180.36 = 401,634.18/x
  3. Step 3: Cross multiply
    486,832.32x = 729,180.36 × 401,634.18
  4. Step 4: Simplify right side
    486,832.32x = 292,863,755,960.71
  5. Step 5: Solve for x
    x = 292,863,755,960.71/486,832.32
  6. Step 6: Final answer
    x = 601,570.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.