Home / 524,923.20-724,394.19-307,173.73

Finding the Fourth Proportional to 524,923.20, 724,394.19 and 307,173.73

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Solution

The fourth proportional to 524,923.20, 724,394.19 and 307,173.73 is: 423,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,923.20 : 724,394.19 = 307,173.73 : x
  2. Step 2: Convert to fraction form
    524,923.20/724,394.19 = 307,173.73/x
  3. Step 3: Cross multiply
    524,923.20x = 724,394.19 × 307,173.73
  4. Step 4: Simplify right side
    524,923.20x = 222,514,865,332.63
  5. Step 5: Solve for x
    x = 222,514,865,332.63/524,923.20
  6. Step 6: Final answer
    x = 423,899.85

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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.