Home / 447,772.40-617,924.94-243,820.16

Finding the Fourth Proportional to 447,772.40, 617,924.94 and 243,820.16

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Solution

The fourth proportional to 447,772.40, 617,924.94 and 243,820.16 is: 336,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,772.40 : 617,924.94 = 243,820.16 : x
  2. Step 2: Convert to fraction form
    447,772.40/617,924.94 = 243,820.16/x
  3. Step 3: Cross multiply
    447,772.40x = 617,924.94 × 243,820.16
  4. Step 4: Simplify right side
    447,772.40x = 150,662,557,738.79
  5. Step 5: Solve for x
    x = 150,662,557,738.79/447,772.40
  6. Step 6: Final answer
    x = 336,471.29

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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.