Home / 404,650.12-558,417.26-223,362.12

Finding the Fourth Proportional to 404,650.12, 558,417.26 and 223,362.12

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Solution

The fourth proportional to 404,650.12, 558,417.26 and 223,362.12 is: 308,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,650.12 : 558,417.26 = 223,362.12 : x
  2. Step 2: Convert to fraction form
    404,650.12/558,417.26 = 223,362.12/x
  3. Step 3: Cross multiply
    404,650.12x = 558,417.26 × 223,362.12
  4. Step 4: Simplify right side
    404,650.12x = 124,729,263,038.19
  5. Step 5: Solve for x
    x = 124,729,263,038.19/404,650.12
  6. Step 6: Final answer
    x = 308,239.78

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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.