Home / 406,677.03-561,199.02-225,392.06

Finding the Fourth Proportional to 406,677.03, 561,199.02 and 225,392.06

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Solution

The fourth proportional to 406,677.03, 561,199.02 and 225,392.06 is: 311,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,677.03 : 561,199.02 = 225,392.06 : x
  2. Step 2: Convert to fraction form
    406,677.03/561,199.02 = 225,392.06/x
  3. Step 3: Cross multiply
    406,677.03x = 561,199.02 × 225,392.06
  4. Step 4: Simplify right side
    406,677.03x = 126,489,800,381.79
  5. Step 5: Solve for x
    x = 126,489,800,381.79/406,677.03
  6. Step 6: Final answer
    x = 311,032.57

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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.