Home / 406,823.52-561,416.38-225,534.98

Finding the Fourth Proportional to 406,823.52, 561,416.38 and 225,534.98

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Solution

The fourth proportional to 406,823.52, 561,416.38 and 225,534.98 is: 311,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,823.52 : 561,416.38 = 225,534.98 : x
  2. Step 2: Convert to fraction form
    406,823.52/561,416.38 = 225,534.98/x
  3. Step 3: Cross multiply
    406,823.52x = 561,416.38 × 225,534.98
  4. Step 4: Simplify right side
    406,823.52x = 126,619,032,034.97
  5. Step 5: Solve for x
    x = 126,619,032,034.97/406,823.52
  6. Step 6: Final answer
    x = 311,238.23

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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.