Home / 386,217.30-576,485.12-359,142.24

Finding the Fourth Proportional to 386,217.30, 576,485.12 and 359,142.24

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Solution

The fourth proportional to 386,217.30, 576,485.12 and 359,142.24 is: 536,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,217.30 : 576,485.12 = 359,142.24 : x
  2. Step 2: Convert to fraction form
    386,217.30/576,485.12 = 359,142.24/x
  3. Step 3: Cross multiply
    386,217.30x = 576,485.12 × 359,142.24
  4. Step 4: Simplify right side
    386,217.30x = 207,040,157,323.47
  5. Step 5: Solve for x
    x = 207,040,157,323.47/386,217.30
  6. Step 6: Final answer
    x = 536,071.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.