Home / 447,476.32-617,505.60-243,531.28

Finding the Fourth Proportional to 447,476.32, 617,505.60 and 243,531.28

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Solution

The fourth proportional to 447,476.32, 617,505.60 and 243,531.28 is: 336,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,476.32 : 617,505.60 = 243,531.28 : x
  2. Step 2: Convert to fraction form
    447,476.32/617,505.60 = 243,531.28/x
  3. Step 3: Cross multiply
    447,476.32x = 617,505.60 × 243,531.28
  4. Step 4: Simplify right side
    447,476.32x = 150,381,929,175.17
  5. Step 5: Solve for x
    x = 150,381,929,175.17/447,476.32
  6. Step 6: Final answer
    x = 336,066.79

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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.