Home / 447,533.12-617,598.28-243,583.56

Finding the Fourth Proportional to 447,533.12, 617,598.28 and 243,583.56

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Solution

The fourth proportional to 447,533.12, 617,598.28 and 243,583.56 is: 336,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,533.12 : 617,598.28 = 243,583.56 : x
  2. Step 2: Convert to fraction form
    447,533.12/617,598.28 = 243,583.56/x
  3. Step 3: Cross multiply
    447,533.12x = 617,598.28 × 243,583.56
  4. Step 4: Simplify right side
    447,533.12x = 150,436,784,767.32
  5. Step 5: Solve for x
    x = 150,436,784,767.32/447,533.12
  6. Step 6: Final answer
    x = 336,146.71

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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.