Home / 447,330.36-617,327.28-243,392.34

Finding the Fourth Proportional to 447,330.36, 617,327.28 and 243,392.34

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Solution

The fourth proportional to 447,330.36, 617,327.28 and 243,392.34 is: 335,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,330.36 : 617,327.28 = 243,392.34 : x
  2. Step 2: Convert to fraction form
    447,330.36/617,327.28 = 243,392.34/x
  3. Step 3: Cross multiply
    447,330.36x = 617,327.28 × 243,392.34
  4. Step 4: Simplify right side
    447,330.36x = 150,252,731,225.04
  5. Step 5: Solve for x
    x = 150,252,731,225.04/447,330.36
  6. Step 6: Final answer
    x = 335,887.62

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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.