Home / 447,566.11-617,657.53-243,607.17

Finding the Fourth Proportional to 447,566.11, 617,657.53 and 243,607.17

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Solution

The fourth proportional to 447,566.11, 617,657.53 and 243,607.17 is: 336,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,566.11 : 617,657.53 = 243,607.17 : x
  2. Step 2: Convert to fraction form
    447,566.11/617,657.53 = 243,607.17/x
  3. Step 3: Cross multiply
    447,566.11x = 617,657.53 × 243,607.17
  4. Step 4: Simplify right side
    447,566.11x = 150,465,802,912.49
  5. Step 5: Solve for x
    x = 150,465,802,912.49/447,566.11
  6. Step 6: Final answer
    x = 336,186.77

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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.