Home / 447,344.03-617,316.29-243,395.77

Finding the Fourth Proportional to 447,344.03, 617,316.29 and 243,395.77

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Solution

The fourth proportional to 447,344.03, 617,316.29 and 243,395.77 is: 335,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,344.03 : 617,316.29 = 243,395.77 : x
  2. Step 2: Convert to fraction form
    447,344.03/617,316.29 = 243,395.77/x
  3. Step 3: Cross multiply
    447,344.03x = 617,316.29 × 243,395.77
  4. Step 4: Simplify right side
    447,344.03x = 150,252,172,521.11
  5. Step 5: Solve for x
    x = 150,252,172,521.11/447,344.03
  6. Step 6: Final answer
    x = 335,876.11

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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.