Home / 404,921.40-558,795.72-223,637.88

Finding the Fourth Proportional to 404,921.40, 558,795.72 and 223,637.88

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Solution

The fourth proportional to 404,921.40, 558,795.72 and 223,637.88 is: 308,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,921.40 : 558,795.72 = 223,637.88 : x
  2. Step 2: Convert to fraction form
    404,921.40/558,795.72 = 223,637.88/x
  3. Step 3: Cross multiply
    404,921.40x = 558,795.72 × 223,637.88
  4. Step 4: Simplify right side
    404,921.40x = 124,967,890,173.87
  5. Step 5: Solve for x
    x = 124,967,890,173.87/404,921.40
  6. Step 6: Final answer
    x = 308,622.59

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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.