Home / 447,334.08-617,320.80-246,128.64

Finding the Fourth Proportional to 447,334.08, 617,320.80 and 246,128.64

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Solution

The fourth proportional to 447,334.08, 617,320.80 and 246,128.64 is: 339,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,334.08 : 617,320.80 = 246,128.64 : x
  2. Step 2: Convert to fraction form
    447,334.08/617,320.80 = 246,128.64/x
  3. Step 3: Cross multiply
    447,334.08x = 617,320.80 × 246,128.64
  4. Step 4: Simplify right side
    447,334.08x = 151,940,328,947.71
  5. Step 5: Solve for x
    x = 151,940,328,947.71/447,334.08
  6. Step 6: Final answer
    x = 339,657.40

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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.