Home / 406,528.54-561,002.10-225,236.83

Finding the Fourth Proportional to 406,528.54, 561,002.10 and 225,236.83

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Solution

The fourth proportional to 406,528.54, 561,002.10 and 225,236.83 is: 310,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,528.54 : 561,002.10 = 225,236.83 : x
  2. Step 2: Convert to fraction form
    406,528.54/561,002.10 = 225,236.83/x
  3. Step 3: Cross multiply
    406,528.54x = 561,002.10 × 225,236.83
  4. Step 4: Simplify right side
    406,528.54x = 126,358,334,627.34
  5. Step 5: Solve for x
    x = 126,358,334,627.34/406,528.54
  6. Step 6: Final answer
    x = 310,822.79

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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.