Home / 447,589.04-617,680.75-243,645.82

Finding the Fourth Proportional to 447,589.04, 617,680.75 and 243,645.82

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Solution

The fourth proportional to 447,589.04, 617,680.75 and 243,645.82 is: 336,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,589.04 : 617,680.75 = 243,645.82 : x
  2. Step 2: Convert to fraction form
    447,589.04/617,680.75 = 243,645.82/x
  3. Step 3: Cross multiply
    447,589.04x = 617,680.75 × 243,645.82
  4. Step 4: Simplify right side
    447,589.04x = 150,495,329,743.56
  5. Step 5: Solve for x
    x = 150,495,329,743.56/447,589.04
  6. Step 6: Final answer
    x = 336,235.52

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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.