Home / 587,928.50-811,317.84-346,221.26

Finding the Fourth Proportional to 587,928.50, 811,317.84 and 346,221.26

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Solution

The fourth proportional to 587,928.50, 811,317.84 and 346,221.26 is: 477,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,928.50 : 811,317.84 = 346,221.26 : x
  2. Step 2: Convert to fraction form
    587,928.50/811,317.84 = 346,221.26/x
  3. Step 3: Cross multiply
    587,928.50x = 811,317.84 × 346,221.26
  4. Step 4: Simplify right side
    587,928.50x = 280,895,484,825.28
  5. Step 5: Solve for x
    x = 280,895,484,825.28/587,928.50
  6. Step 6: Final answer
    x = 477,771.51

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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.