Home / 406,941.57-561,577.10-225,680.28

Finding the Fourth Proportional to 406,941.57, 561,577.10 and 225,680.28

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Solution

The fourth proportional to 406,941.57, 561,577.10 and 225,680.28 is: 311,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,941.57 : 561,577.10 = 225,680.28 : x
  2. Step 2: Convert to fraction form
    406,941.57/561,577.10 = 225,680.28/x
  3. Step 3: Cross multiply
    406,941.57x = 561,577.10 × 225,680.28
  4. Step 4: Simplify right side
    406,941.57x = 126,736,876,041.19
  5. Step 5: Solve for x
    x = 126,736,876,041.19/406,941.57
  6. Step 6: Final answer
    x = 311,437.53

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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.