Home / 404,721.60-558,501.06-223,429.62

Finding the Fourth Proportional to 404,721.60, 558,501.06 and 223,429.62

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Solution

The fourth proportional to 404,721.60, 558,501.06 and 223,429.62 is: 308,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,721.60 : 558,501.06 = 223,429.62 : x
  2. Step 2: Convert to fraction form
    404,721.60/558,501.06 = 223,429.62/x
  3. Step 3: Cross multiply
    404,721.60x = 558,501.06 × 223,429.62
  4. Step 4: Simplify right side
    404,721.60x = 124,785,679,605.40
  5. Step 5: Solve for x
    x = 124,785,679,605.40/404,721.60
  6. Step 6: Final answer
    x = 308,324.73

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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.