Home / 404,646.23-558,411.83-223,358.21

Finding the Fourth Proportional to 404,646.23, 558,411.83 and 223,358.21

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Solution

The fourth proportional to 404,646.23, 558,411.83 and 223,358.21 is: 308,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,646.23 : 558,411.83 = 223,358.21 : x
  2. Step 2: Convert to fraction form
    404,646.23/558,411.83 = 223,358.21/x
  3. Step 3: Cross multiply
    404,646.23x = 558,411.83 × 223,358.21
  4. Step 4: Simplify right side
    404,646.23x = 124,725,866,791.62
  5. Step 5: Solve for x
    x = 124,725,866,791.62/404,646.23
  6. Step 6: Final answer
    x = 308,234.35

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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.