Home / 404,666.75-558,436.88-223,378.43

Finding the Fourth Proportional to 404,666.75, 558,436.88 and 223,378.43

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Solution

The fourth proportional to 404,666.75, 558,436.88 and 223,378.43 is: 308,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,666.75 : 558,436.88 = 223,378.43 : x
  2. Step 2: Convert to fraction form
    404,666.75/558,436.88 = 223,378.43/x
  3. Step 3: Cross multiply
    404,666.75x = 558,436.88 × 223,378.43
  4. Step 4: Simplify right side
    404,666.75x = 124,742,751,274.76
  5. Step 5: Solve for x
    x = 124,742,751,274.76/404,666.75
  6. Step 6: Final answer
    x = 308,260.44

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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.