Home / 404,934.90-558,815.52-223,646.28

Finding the Fourth Proportional to 404,934.90, 558,815.52 and 223,646.28

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Solution

The fourth proportional to 404,934.90, 558,815.52 and 223,646.28 is: 308,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,934.90 : 558,815.52 = 223,646.28 : x
  2. Step 2: Convert to fraction form
    404,934.90/558,815.52 = 223,646.28/x
  3. Step 3: Cross multiply
    404,934.90x = 558,815.52 × 223,646.28
  4. Step 4: Simplify right side
    404,934.90x = 124,977,012,254.27
  5. Step 5: Solve for x
    x = 124,977,012,254.27/404,934.90
  6. Step 6: Final answer
    x = 308,634.83

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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.