Home / 447,557.40-617,851.80-294,694.20

Finding the Fourth Proportional to 447,557.40, 617,851.80 and 294,694.20

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Solution

The fourth proportional to 447,557.40, 617,851.80 and 294,694.20 is: 406,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,557.40 : 617,851.80 = 294,694.20 : x
  2. Step 2: Convert to fraction form
    447,557.40/617,851.80 = 294,694.20/x
  3. Step 3: Cross multiply
    447,557.40x = 617,851.80 × 294,694.20
  4. Step 4: Simplify right side
    447,557.40x = 182,077,341,919.56
  5. Step 5: Solve for x
    x = 182,077,341,919.56/447,557.40
  6. Step 6: Final answer
    x = 406,824.56

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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.