Home / 406,724.14-561,312.92-225,492.92

Finding the Fourth Proportional to 406,724.14, 561,312.92 and 225,492.92

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Solution

The fourth proportional to 406,724.14, 561,312.92 and 225,492.92 is: 311,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,724.14 : 561,312.92 = 225,492.92 : x
  2. Step 2: Convert to fraction form
    406,724.14/561,312.92 = 225,492.92/x
  3. Step 3: Cross multiply
    406,724.14x = 561,312.92 × 225,492.92
  4. Step 4: Simplify right side
    406,724.14x = 126,572,089,364.53
  5. Step 5: Solve for x
    x = 126,572,089,364.53/406,724.14
  6. Step 6: Final answer
    x = 311,198.86

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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.