Home / 447,215.04-617,153.40-253,659.60

Finding the Fourth Proportional to 447,215.04, 617,153.40 and 253,659.60

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Solution

The fourth proportional to 447,215.04, 617,153.40 and 253,659.60 is: 350,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,215.04 : 617,153.40 = 253,659.60 : x
  2. Step 2: Convert to fraction form
    447,215.04/617,153.40 = 253,659.60/x
  3. Step 3: Cross multiply
    447,215.04x = 617,153.40 × 253,659.60
  4. Step 4: Simplify right side
    447,215.04x = 156,546,884,582.64
  5. Step 5: Solve for x
    x = 156,546,884,582.64/447,215.04
  6. Step 6: Final answer
    x = 350,048.34

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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.