Home / 587,941.50-811,335.78-346,234.26

Finding the Fourth Proportional to 587,941.50, 811,335.78 and 346,234.26

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Solution

The fourth proportional to 587,941.50, 811,335.78 and 346,234.26 is: 477,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,941.50 : 811,335.78 = 346,234.26 : x
  2. Step 2: Convert to fraction form
    587,941.50/811,335.78 = 346,234.26/x
  3. Step 3: Cross multiply
    587,941.50x = 811,335.78 × 346,234.26
  4. Step 4: Simplify right side
    587,941.50x = 280,912,243,399.82
  5. Step 5: Solve for x
    x = 280,912,243,399.82/587,941.50
  6. Step 6: Final answer
    x = 477,789.45

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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.