Home / 362,631.76-500,465.64-219,427.12

Finding the Fourth Proportional to 362,631.76, 500,465.64 and 219,427.12

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Solution

The fourth proportional to 362,631.76, 500,465.64 and 219,427.12 is: 302,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,631.76 : 500,465.64 = 219,427.12 : x
  2. Step 2: Convert to fraction form
    362,631.76/500,465.64 = 219,427.12/x
  3. Step 3: Cross multiply
    362,631.76x = 500,465.64 × 219,427.12
  4. Step 4: Simplify right side
    362,631.76x = 109,815,734,044.16
  5. Step 5: Solve for x
    x = 109,815,734,044.16/362,631.76
  6. Step 6: Final answer
    x = 302,829.88

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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.