Home / 404,711.26-558,502.38-223,423.45

Finding the Fourth Proportional to 404,711.26, 558,502.38 and 223,423.45

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Solution

The fourth proportional to 404,711.26, 558,502.38 and 223,423.45 is: 308,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,711.26 : 558,502.38 = 223,423.45 : x
  2. Step 2: Convert to fraction form
    404,711.26/558,502.38 = 223,423.45/x
  3. Step 3: Cross multiply
    404,711.26x = 558,502.38 × 223,423.45
  4. Step 4: Simplify right side
    404,711.26x = 124,782,528,572.81
  5. Step 5: Solve for x
    x = 124,782,528,572.81/404,711.26
  6. Step 6: Final answer
    x = 308,324.83

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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.