Home / 538,965.40-808,545.30-223,454.20

Finding the Fourth Proportional to 538,965.40, 808,545.30 and 223,454.20

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Solution

The fourth proportional to 538,965.40, 808,545.30 and 223,454.20 is: 335,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,965.40 : 808,545.30 = 223,454.20 : x
  2. Step 2: Convert to fraction form
    538,965.40/808,545.30 = 223,454.20/x
  3. Step 3: Cross multiply
    538,965.40x = 808,545.30 × 223,454.20
  4. Step 4: Simplify right side
    538,965.40x = 180,672,843,175.26
  5. Step 5: Solve for x
    x = 180,672,843,175.26/538,965.40
  6. Step 6: Final answer
    x = 335,221.60

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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.