Home / 400,522.39-553,321.19-263,027.52

Finding the Fourth Proportional to 400,522.39, 553,321.19 and 263,027.52

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Solution

The fourth proportional to 400,522.39, 553,321.19 and 263,027.52 is: 363,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,522.39 : 553,321.19 = 263,027.52 : x
  2. Step 2: Convert to fraction form
    400,522.39/553,321.19 = 263,027.52/x
  3. Step 3: Cross multiply
    400,522.39x = 553,321.19 × 263,027.52
  4. Step 4: Simplify right side
    400,522.39x = 145,538,701,026.72
  5. Step 5: Solve for x
    x = 145,538,701,026.72/400,522.39
  6. Step 6: Final answer
    x = 363,372.20

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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.