Home / 404,503.49-558,214.38-223,215.36

Finding the Fourth Proportional to 404,503.49, 558,214.38 and 223,215.36

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Solution

The fourth proportional to 404,503.49, 558,214.38 and 223,215.36 is: 308,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,503.49 : 558,214.38 = 223,215.36 : x
  2. Step 2: Convert to fraction form
    404,503.49/558,214.38 = 223,215.36/x
  3. Step 3: Cross multiply
    404,503.49x = 558,214.38 × 223,215.36
  4. Step 4: Simplify right side
    404,503.49x = 124,602,023,788.88
  5. Step 5: Solve for x
    x = 124,602,023,788.88/404,503.49
  6. Step 6: Final answer
    x = 308,036.96

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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.