Home / 404,719.07-558,497.64-223,427.09

Finding the Fourth Proportional to 404,719.07, 558,497.64 and 223,427.09

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Solution

The fourth proportional to 404,719.07, 558,497.64 and 223,427.09 is: 308,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,719.07 : 558,497.64 = 223,427.09 : x
  2. Step 2: Convert to fraction form
    404,719.07/558,497.64 = 223,427.09/x
  3. Step 3: Cross multiply
    404,719.07x = 558,497.64 × 223,427.09
  4. Step 4: Simplify right side
    404,719.07x = 124,783,502,477.07
  5. Step 5: Solve for x
    x = 124,783,502,477.07/404,719.07
  6. Step 6: Final answer
    x = 308,321.28

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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.