Home / 447,588.10-617,685.49-243,652.60

Finding the Fourth Proportional to 447,588.10, 617,685.49 and 243,652.60

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Solution

The fourth proportional to 447,588.10, 617,685.49 and 243,652.60 is: 336,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,588.10 : 617,685.49 = 243,652.60 : x
  2. Step 2: Convert to fraction form
    447,588.10/617,685.49 = 243,652.60/x
  3. Step 3: Cross multiply
    447,588.10x = 617,685.49 × 243,652.60
  4. Step 4: Simplify right side
    447,588.10x = 150,500,675,620.77
  5. Step 5: Solve for x
    x = 150,500,675,620.77/447,588.10
  6. Step 6: Final answer
    x = 336,248.16

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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.