Home / 372,007.40-513,372.26-219,052.20

Finding the Fourth Proportional to 372,007.40, 513,372.26 and 219,052.20

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Solution

The fourth proportional to 372,007.40, 513,372.26 and 219,052.20 is: 302,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,007.40 : 513,372.26 = 219,052.20 : x
  2. Step 2: Convert to fraction form
    372,007.40/513,372.26 = 219,052.20/x
  3. Step 3: Cross multiply
    372,007.40x = 513,372.26 × 219,052.20
  4. Step 4: Simplify right side
    372,007.40x = 112,455,322,971.97
  5. Step 5: Solve for x
    x = 112,455,322,971.97/372,007.40
  6. Step 6: Final answer
    x = 302,293.24

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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.