Home / 401,150.27-553,505.56-237,734.74

Finding the Fourth Proportional to 401,150.27, 553,505.56 and 237,734.74

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Solution

The fourth proportional to 401,150.27, 553,505.56 and 237,734.74 is: 328,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,150.27 : 553,505.56 = 237,734.74 : x
  2. Step 2: Convert to fraction form
    401,150.27/553,505.56 = 237,734.74/x
  3. Step 3: Cross multiply
    401,150.27x = 553,505.56 × 237,734.74
  4. Step 4: Simplify right side
    401,150.27x = 131,587,500,936.75
  5. Step 5: Solve for x
    x = 131,587,500,936.75/401,150.27
  6. Step 6: Final answer
    x = 328,025.46

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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.