Home / 447,560.15-617,646.14-243,624.38

Finding the Fourth Proportional to 447,560.15, 617,646.14 and 243,624.38

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Solution

The fourth proportional to 447,560.15, 617,646.14 and 243,624.38 is: 336,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,560.15 : 617,646.14 = 243,624.38 : x
  2. Step 2: Convert to fraction form
    447,560.15/617,646.14 = 243,624.38/x
  3. Step 3: Cross multiply
    447,560.15x = 617,646.14 × 243,624.38
  4. Step 4: Simplify right side
    447,560.15x = 150,473,655,894.52
  5. Step 5: Solve for x
    x = 150,473,655,894.52/447,560.15
  6. Step 6: Final answer
    x = 336,208.79

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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.