Home / 409,847.19-565,588.03-228,559.33

Finding the Fourth Proportional to 409,847.19, 565,588.03 and 228,559.33

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Solution

The fourth proportional to 409,847.19, 565,588.03 and 228,559.33 is: 315,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,847.19 : 565,588.03 = 228,559.33 : x
  2. Step 2: Convert to fraction form
    409,847.19/565,588.03 = 228,559.33/x
  3. Step 3: Cross multiply
    409,847.19x = 565,588.03 × 228,559.33
  4. Step 4: Simplify right side
    409,847.19x = 129,270,421,192.82
  5. Step 5: Solve for x
    x = 129,270,421,192.82/409,847.19
  6. Step 6: Final answer
    x = 315,411.27

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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.