Home / 413,186.12-570,208.20-231,909.32

Finding the Fourth Proportional to 413,186.12, 570,208.20 and 231,909.32

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Solution

The fourth proportional to 413,186.12, 570,208.20 and 231,909.32 is: 320,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,186.12 : 570,208.20 = 231,909.32 : x
  2. Step 2: Convert to fraction form
    413,186.12/570,208.20 = 231,909.32/x
  3. Step 3: Cross multiply
    413,186.12x = 570,208.20 × 231,909.32
  4. Step 4: Simplify right side
    413,186.12x = 132,236,595,920.42
  5. Step 5: Solve for x
    x = 132,236,595,920.42/413,186.12
  6. Step 6: Final answer
    x = 320,041.23

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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.