Home / 447,456.04-617,491.98-243,508.57

Finding the Fourth Proportional to 447,456.04, 617,491.98 and 243,508.57

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Solution

The fourth proportional to 447,456.04, 617,491.98 and 243,508.57 is: 336,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,456.04 : 617,491.98 = 243,508.57 : x
  2. Step 2: Convert to fraction form
    447,456.04/617,491.98 = 243,508.57/x
  3. Step 3: Cross multiply
    447,456.04x = 617,491.98 × 243,508.57
  4. Step 4: Simplify right side
    447,456.04x = 150,364,589,036.27
  5. Step 5: Solve for x
    x = 150,364,589,036.27/447,456.04
  6. Step 6: Final answer
    x = 336,043.27

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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.