Home / 404,411.46-558,089.76-223,123.38

Finding the Fourth Proportional to 404,411.46, 558,089.76 and 223,123.38

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Solution

The fourth proportional to 404,411.46, 558,089.76 and 223,123.38 is: 307,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,411.46 : 558,089.76 = 223,123.38 : x
  2. Step 2: Convert to fraction form
    404,411.46/558,089.76 = 223,123.38/x
  3. Step 3: Cross multiply
    404,411.46x = 558,089.76 × 223,123.38
  4. Step 4: Simplify right side
    404,411.46x = 124,522,873,594.59
  5. Step 5: Solve for x
    x = 124,522,873,594.59/404,411.46
  6. Step 6: Final answer
    x = 307,911.34

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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.