Home / 404,477.31-558,178.02-223,189.09

Finding the Fourth Proportional to 404,477.31, 558,178.02 and 223,189.09

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Solution

The fourth proportional to 404,477.31, 558,178.02 and 223,189.09 is: 308,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,477.31 : 558,178.02 = 223,189.09 : x
  2. Step 2: Convert to fraction form
    404,477.31/558,178.02 = 223,189.09/x
  3. Step 3: Cross multiply
    404,477.31x = 558,178.02 × 223,189.09
  4. Step 4: Simplify right side
    404,477.31x = 124,579,244,341.80
  5. Step 5: Solve for x
    x = 124,579,244,341.80/404,477.31
  6. Step 6: Final answer
    x = 308,000.58

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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.