Home / 406,860.03-561,465.83-225,567.30

Finding the Fourth Proportional to 406,860.03, 561,465.83 and 225,567.30

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Solution

The fourth proportional to 406,860.03, 561,465.83 and 225,567.30 is: 311,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,860.03 : 561,465.83 = 225,567.30 : x
  2. Step 2: Convert to fraction form
    406,860.03/561,465.83 = 225,567.30/x
  3. Step 3: Cross multiply
    406,860.03x = 561,465.83 × 225,567.30
  4. Step 4: Simplify right side
    406,860.03x = 126,648,330,187.52
  5. Step 5: Solve for x
    x = 126,648,330,187.52/406,860.03
  6. Step 6: Final answer
    x = 311,282.31

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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.