Home / 538,969.40-808,551.30-223,458.20

Finding the Fourth Proportional to 538,969.40, 808,551.30 and 223,458.20

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Solution

The fourth proportional to 538,969.40, 808,551.30 and 223,458.20 is: 335,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,969.40 : 808,551.30 = 223,458.20 : x
  2. Step 2: Convert to fraction form
    538,969.40/808,551.30 = 223,458.20/x
  3. Step 3: Cross multiply
    538,969.40x = 808,551.30 × 223,458.20
  4. Step 4: Simplify right side
    538,969.40x = 180,677,418,105.66
  5. Step 5: Solve for x
    x = 180,677,418,105.66/538,969.40
  6. Step 6: Final answer
    x = 335,227.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.