Home / 409,824.45-565,560.21-228,547.85

Finding the Fourth Proportional to 409,824.45, 565,560.21 and 228,547.85

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Solution

The fourth proportional to 409,824.45, 565,560.21 and 228,547.85 is: 315,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,824.45 : 565,560.21 = 228,547.85 : x
  2. Step 2: Convert to fraction form
    409,824.45/565,560.21 = 228,547.85/x
  3. Step 3: Cross multiply
    409,824.45x = 565,560.21 × 228,547.85
  4. Step 4: Simplify right side
    409,824.45x = 129,257,567,213.25
  5. Step 5: Solve for x
    x = 129,257,567,213.25/409,824.45
  6. Step 6: Final answer
    x = 315,397.40

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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.