Home / 447,145.04-617,032.68-256,114.64

Finding the Fourth Proportional to 447,145.04, 617,032.68 and 256,114.64

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Solution

The fourth proportional to 447,145.04, 617,032.68 and 256,114.64 is: 353,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,145.04 : 617,032.68 = 256,114.64 : x
  2. Step 2: Convert to fraction form
    447,145.04/617,032.68 = 256,114.64/x
  3. Step 3: Cross multiply
    447,145.04x = 617,032.68 × 256,114.64
  4. Step 4: Simplify right side
    447,145.04x = 158,031,102,706.44
  5. Step 5: Solve for x
    x = 158,031,102,706.44/447,145.04
  6. Step 6: Final answer
    x = 353,422.47

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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.