Home / 447,181.28-617,054.10-302,302.30

Finding the Fourth Proportional to 447,181.28, 617,054.10 and 302,302.30

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Solution

The fourth proportional to 447,181.28, 617,054.10 and 302,302.30 is: 417,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,181.28 : 617,054.10 = 302,302.30 : x
  2. Step 2: Convert to fraction form
    447,181.28/617,054.10 = 302,302.30/x
  3. Step 3: Cross multiply
    447,181.28x = 617,054.10 × 302,302.30
  4. Step 4: Simplify right side
    447,181.28x = 186,536,875,571.05
  5. Step 5: Solve for x
    x = 186,536,875,571.05/447,181.28
  6. Step 6: Final answer
    x = 417,139.27

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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.