Home / 401,546.19-554,123.75-229,453.23

Finding the Fourth Proportional to 401,546.19, 554,123.75 and 229,453.23

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Solution

The fourth proportional to 401,546.19, 554,123.75 and 229,453.23 is: 316,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,546.19 : 554,123.75 = 229,453.23 : x
  2. Step 2: Convert to fraction form
    401,546.19/554,123.75 = 229,453.23/x
  3. Step 3: Cross multiply
    401,546.19x = 554,123.75 × 229,453.23
  4. Step 4: Simplify right side
    401,546.19x = 127,145,484,257.21
  5. Step 5: Solve for x
    x = 127,145,484,257.21/401,546.19
  6. Step 6: Final answer
    x = 316,639.75

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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.