Home / 409,855.19-565,599.06-228,567.33

Finding the Fourth Proportional to 409,855.19, 565,599.06 and 228,567.33

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Solution

The fourth proportional to 409,855.19, 565,599.06 and 228,567.33 is: 315,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,855.19 : 565,599.06 = 228,567.33 : x
  2. Step 2: Convert to fraction form
    409,855.19/565,599.06 = 228,567.33/x
  3. Step 3: Cross multiply
    409,855.19x = 565,599.06 × 228,567.33
  4. Step 4: Simplify right side
    409,855.19x = 129,277,466,994.71
  5. Step 5: Solve for x
    x = 129,277,466,994.71/409,855.19
  6. Step 6: Final answer
    x = 315,422.30

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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.